Latest UK Slots Bonuses for 2023

  • Bonus rating


    More details
    Min deposit£10
    Wagering1x W
    Max cashoutNo Limit Stated
    Valid only for gamesDouble Bubble
    Slot games480
    Payout time1 day

    Details about the offer

    After registering, deposit and wager at least £10, and you will receive 30 extra spins on Double Bubble.

    How can you claim your spins?

    • Click our blue ‘Play’ button and opt-in for the offer.
    • Complete the registration process and verify your account.
    • Select the ‘Submit’ button.
    • Make a minimum deposit of over £10.
    • You will receive the spins after playing the deposited sum.

    Bonus Rules

    • To cash out, you must wager your deposit 1x on any game.
    • The promotion is available for 30 days.
    • The value of each spin is 1p.
    • You have to wager one time the spins generated value before you can request a cashout.

    To make the most of this offer, read the casino’s terms and conditions carefully.

    New members only, must opt in. Min £10 deposit & wager. 30 day expiry from deposit. 18+. Free Spins: on Double Bubble. 1p coin size, max lines. Bingo: Advertised ticket value based on £1 tickets. Game availability & restrictions apply. ‡ Current Jackpots are across selected games. - T&C Apply, 18+
  • Bonus rating


    Code: GAMES100 Copied !
    More details
    Min deposit£10
    Wageringno wagering
    Max cashoutNo Limit Stated
    Valid only for games Mega Fire Blaze: Big Circus
    Slot games1380
    Payout time1 day

    Here’s the offer:

    If you are a new Betfred player who’s planning to deposit for the first time, you may redeem a promotion that consists of 100 rotations on Starburst.

    What can you do to claim it?

    First, you must create a new account at Betfred. Enter the GAMES100 bonus code when you register, then move on to verifying your account. Deposit £10 and stake your cash balance to receive the promotion.

    The conditions to abide by:

    You will get the extra rounds within 48 hours of your fulfilling the conditions. Then, you may use them for 7 days. You are not eligible for the bonus if you deposit with an e-wallet.

    Finally, remember to check the casino’s Terms and Conditions for full promotional coverage.

    New customers only. Register with code GAMES100. Deposit and stake £10 or more, within 7 days, on Slots at Betfred Games to receive 100 Free Spins on selected titles. Free Spins credited within 48 hours. Free Spins are valid for 7 days. E-Wallet & Card restrictions apply. SMS validation may be required - T&C Apply, 18+
  • New casino
    Bonus rating


    More details
    Min deposit£10
    Wageringno wagering
    Max cashoutno limit stated
    Valid only for gamesSecrets of the Phoenix Megaways
    Slot games430
    Payout time1-2 days

    Should you claim this bonus?

    We highly recommend Bally Casino’s Welcome Offer of Deposit of £10 to Get 30 Spins. The requirements are simple: you only have to wager at least £10 in cash on any casino game. Although the bonus is locked on the Secrets of the Phoenix Megaways, the game is worth trying. This bonus also has an extended period in which you can finish the wagering and playing.

    New members only, must opt in. Min £10 deposit & wager. 30 day expiry from deposit. 18+. Free Spins: on Secrets of the Phoenix Megaways. Spins value: 20p each. Game availability & restrictions apply - T&C Apply, 18+
  • Bonus rating

    100% UP TO £50 + 100 FREE SPINS ON BOOK OF DEAD

    More details
    Min deposit£10
    Wagering40x B/40x W
    Max cashout£250/£250
    Valid only for gamesBook of Dead
    Slot games936
    Payout time1-2 days

    What’s the Offer:

    A 100% up to £50 first deposit offer that also contains 100 rounds available to be played on Book of Dead.

    The Opt-in Process:

    Go and register on the Fruit Kings casino website. Wait for the initial verifications to complete.

    You will receive the bonus funds and 50 spins immediately. The remaining rounds you will get in 25-spin increments sent 24 and 48 hours later.

    More Info You Should Know:

    The wagering requirement for 40x must be completed within 30 days. It applies to the bonus sum and funds resulting from spins.

    Rounds expire after 48 hours.

    You must consume your cash balance before using bonus money for wagering.

    Requesting a withdrawal will void unplayed-through bonuses.

    The most you can claim from any bonus is £250.

    You cannot place bets equal to or higher than 10% of the qualifying deposit. You also should not play games with contributions lower than 10%.

    You can find a contribution list in the bonus terms.

    There is more to know about the Fruit Kings casino offer and platform. You can find the complete details on the website.

    New players only. 100% bonus on first deposit up to £50 plus 100 free spins.Free spins are playable on Book of Dead at 10 spins per day. Min. first deposit £20. Max bonus £50. Max bonus bet £5. Max bonus cash-out £500. Wagering requirement of 40x to cash out. Game restrictions apply - T&C Apply, 18+
  • Bonus rating


    More details
    Min deposit£10
    Wagering35x W/35x W
    Max cashout£500/£10
    Valid only for gamesSugar Bonanza Deluxe
    Slot games14
    Payout time1-2 days

    About Casino

    Viral Interactive Limited owns this casino, which runs under the authority of the UKGC, proving itself as a trustworthy casino.

    Pros: no limits on withdrawals, instant payouts

    Cons: only 40 slots and 6 live dealer games


    • 100 extra spins on registration on the Sugar Bonanza Deluxe slot
    • 1st deposit: 100 bonus spins on Zeus Kingdom of Riches
    • 2nd deposit: 50% up to £100
    • 3rd deposit: 25 free spins on Big Buffalo

    Keep in Mind

    The casino needs polishing regarding its number of slots, considering you can only play 40 slots. Despite this, the extra spins on Sugar Bonanza Deluxe are worthwhile for new players looking to try a popular game.

    Available for new registered accounts only. Get 20 Free Spins immediately after complete registration, followed by 20 spins every day for the next 4 days. 35x wag. 7 days availability. Max wins: £10. For on-deposit offers min £10 dep. Max. stake with Bonus active is £5, 35x wagering on Slots only. 100 free spins for the 1st dep. 50% Bonus up to £100 for the 2nd dep. 25 free spins for the 3rd dep. Min dep of £10+. All bonuses expire 14 days after dep. Max wins: £500 for 1st dep, £100 for 2nd dep, £50 for 3rd dep. - T&C Apply, 18+
  • Bonus rating


    Code: casino75 Copied !
    More details
    Min deposit£25
    Wagering10x W
    Max cashoutNo Limit Stated
    Valid only for gamesBonanza™
    Slot games690
    Payout time1 day

    What you get:

    When you make a first deposit of at least £25, you get 75 free spins on Bonanza.

    Rules of the Promotion:

    • You have to wager at least £25 in the first 24 hours since making the first deposit
    • The total value of the spins is £15
    • The spins must be wagered 10 times
    • The free spins have a 7-day availability

    How to Claim:

    1. Enter the website
    2. Create an account
    3. Use the code ‘casino75’
    4. Deposit more than £25 and use the funds

    More details about this offer can be found on the website in the Terms and Conditions section.

    New customers only. Min Deposit £25. Wager £25 minimum on slots and get 75 free spins on Bonanza. Free spins will expire 7 days after issue. x10 wagering on Free spins. Bet The Responsible Way. - T&C Apply, 18+
  • New casino
    Bonus rating

    100% UP TO £200

    More details
    Min deposit£10
    Wagering30x B/ 30x W
    Max cashout£100/ £10
    Valid only for gamesBig Bass Splash
    Slot games973
    Payout time1 day

    Casino Information

    MadSlots Casino falls under the authority of the UKGC, being operated by Viral Interactive Limited. This way, you know the casino does a good job protecting all your data and payment information.

    Pros: plenty of responsible gaming tools, 900+ slots, no limits on withdrawals

    Cons: only 9 live dealer games

    Bonus Offer

    • 100 no-deposit spins on Big Bass Splash
    • 1st deposit: 100% up to £200
    • 2nd deposit: 100 free spins on Big Bass Splash
    • 3rd deposit: 100 free spins on Book of Dead

    Be aware

    The promotion comes with a 30x wagering requirement. Note that the casino requires that you complete the KYC process as soon as you sign-up to start claiming bonuses of any kind. Despite that, the casino offers 900+ slots you can play, which is a balanced amount.

    Available for new registered accounts only. Get 100 Free Spins after complete registration (20 spins every day for 5 days). 30x wag. 7 days availability. Max wins: £10.Min £10 deposit. Max win from bonus money is £100. Max. stake with Bonus active is £5 and 30x wagering on Slots only. Up £200 for 1st dep. 100 Free Spins for the 2nd dep. Up to 100 free spins for the 3rd dep. Availability of 7 days after dep. - T&C Apply, 18+
  • Bonus rating


    Code: FISHIN30 Copied !
    More details
    Min deposit£10
    Wageringno wagering
    Valid only for gamesFishin Frenzy Megaways
    Slot games500
    Payout time1 day

    MrQ bonus:

    30 no wagering spins on Fishin Frenzy Megaways.

    What to keep in mind:

    • This offer has no wagering requirements attached to it, which means any returns stay yours.
    • You need to use the code FISHIN30 when you make your first deposit greater than £10.
    • Your single requirement is to spend £10 within 12 hours of the deposit.
    • Be aware that spending on Roulette, Blackjack and other table games doesn’t count for the Spend requirement.
    • The spins are available in Fishy Frenzy Megaways for 48 hours after being credited to your account.
    • Each spin is worth £0.1.
    • Generated winnings are not capped, but a large win may be subjected to security checks.
    • Collusion or promotional abuse leads to account suspension.

    How to attain it:

    1. Create your account and complete the necessary verification checks.
    2. Make your first deposit and wager it in the casino.
    3. Within 10 minutes, the spins will be added to your account.

    Visit MrQ and explore its comprehensive Responsible Gaming toolset before commencing play.

    First deposit only. Min deposit & spend £10. Max 30 spins on Fishin Frenzy Megaways at 10p per spin. Spins credited upon spend of £10 - T&C Apply, 18+
  • Bonus rating


    More details
    Min deposit£10
    WageringNo wagering
    Max cashoutNo Limit Stated
    Slot games1300
    Payout time1 day

    After registering a new account, opt-in for this offer and deposit £10. The funds must be wagered on Monopoly Paradise Mansion slot game to receive 30 no-wagering spins.

    How to claim the offer?

    • Head to the casino’s official page.
    • Sign in to the newly created account.
    • Deposit at least £10.
    • Wager the funds on the eligible game.

    Rules on the offer

    • The bonus has a 30 days expiry time.
    • Spins must be used on Monopoly Paradise Mansion slot game.
    • There are no wagering requirements for the spins.

    To make the most of this offer, read the casino’s terms and conditions carefully.

    New members only, must opt in. Min £10 deposit & wager. 30 day expiry from deposit.18+. Free Spins: on MONOPOLY Paradise Mansion. 1p coin size, max lines. Bingo: Advertised ticket value based on £1 tickets. Game availability & restrictions apply. - T&C Apply, 18+
  • Bonus rating


    More details
    Min deposit£20
    Wagering10x W
    Max cashoutNo Limit Stated
    Valid only for gamesStarburst
    Slot games580
    Payout time1-2 days

    Info on the Bonus

    Create a new account, deposit and stake £20 and get 50 free spins on Starburst.

    How to claim the offer

    1. Head to the Planet Sport Bet Casino.
    2. Create an account.
    3. Deposit more than £20.

    Bonus rules

    • Winnings from spins must be wagered 10x times.
    • Minimum deposit is £20.
    • The only eligible game is Starburst.
    • Spins expire 7 days after activation.

    We suggest checking the full terms and conditions for further information about this offer.

    New customers only. Min Deposit £20. Wager £20 minimum on slots and get 50 free spins on Starburst. Free spins will expire 7 days after issue. x10 wagering on Free spins. Bet The Responsible Way. - T&C Apply, 18+
  • Bonus rating

    100% UP TO £100 CASINO BONUS

    More details
    Min deposit£10
    WageringFirst Deposit Bonus: 40x B
    Max cashoutFirst Deposit Bonus: £500
    Slot games1127
    Payout time1 day

    Should you claim this bonus?

    We recommend this bonus to slot players who want to profit from the high £500 max cashout value. Even though you’re required to stake £20 on slots before claiming the offer, the low minimum deposit of £10 is still very convenient for all budgets. The 40x wager is average and shouldn’t pose huge problems to most players.

    Bonus rating


    More details
    Min deposit£20
    Max cashoutNo limit stated
    Valid only for gamesBig Bass Bonanza
    Slot games1961
    Payout time1 day

    Should you claim this offer?

    We reccomend this Lottoland bonus on Big Bass Bonanza because it gives new players an excellent opportunity to try it out risk-free with 100 free spins. The 30-day expiration gives you plenty of time to use the spins, too. If you’re looking for a solid promo on a top-rated slot, this is a smart choice worth claiming. While you need to opt-in and stake £20 to get the spins, and some budgets won’t fit this minimum deposit bonus, you can see the rest of Lottoland Casino bonuses with smaller deposits required.

    New customers only, register, deposit and stake £20 on Big Bass Bonanza within 7 days, and claim 100 Free spins on Big Bass Bonanza. Free spins expire 30 days after credited. Ends 31/12/23 at 23:59 GMT. - T&C Apply, 18+
  • Bonus rating


    More details
    Min deposit£10
    Wagering35x deposit/ No wagering
    Max cashout£150 /No Limit Stated
    Valid only for gamesBig Bass Splash
    Slot games800
    Payout time1 day

    What you get:

    Upon registration and making the first deposit of at least £10, you will get 50 no-wagering spins with a £150 match-up bonus.

    How to claim:

    • Click on the ‘Play’ button and go to the official website.
    • Fill in the registration form with your details.
    • Make your first deposit of at least £10 to activate the bonus.
    • Claim the promotion within seven days of registration.
    • After completing the deposit money rollover, you will receive the bonus and 50 no-wager spins.

    Important Rules:

    • You have to wager the bonus amount 35x times and cash out up to the maximum of £150.
    • The spins expire in 3 days and come with no wagering requirement.
    • They must be used on the Big Bass Splash slot game.
    • All the funds generated from the spins are rewarded as real money.
    • Each spin has a total value of £0.1.

    Before claiming the promotion, make sure you read the Terms & Conditions of the bonus.

    New player only. 7 days to claim offer and deposit a min of £10 with a further 7 days to wager 35x. Cash stakes only and wagering contributions vary. Max reward £150. 50 wager-free spins 0.10p each on Big Bass Splash awarded after wagering complete, winnings paid as cash. 3 day expiry. - T&C Apply, 18+
  • Bonus rating

    100 NO WAGER FREE SPINS + 100% UP TO £200

    Code: FIRST200 Copied !
    More details
    Min deposit£20
    Wageringno wagering/ 5x B
    Max cashoutno limits/ No Limit Stated
    Valid only for gamesDiamond Stars Classic
    Slot games1100
    Payout time1 day

    About the casino

    PokerStars Casino has more than 1000 slots and 55 live dealer games. It has a six-tier VIP club and games from Microgaming, NetEnt and Pragmatic.

    Pros: 1 day payout time, Apple and Google Pay available, KYC lasts only 24 hours

    Cons: only live chat available

    The bonus

    • 100 free spins when you register
    • 100% up to £200 for a deposit of £20 with code FIRST20

    Be aware

    The registration spins will be credited in batches and work only on selected games. The deposit offer is available only if you deposit with Visa and Mastercard. Besides these credit cards, you can deposit using Google and Apple Pay, PayPal and e-wallets. The minimum deposit and withdrawal are set at £10, while for the maximum cashout there are no limits.

    New casino players only. Min. deposit £20 with code ‘FIRST200’. Debit card (Visa or Mastercard) only. Selected Slots only, 7 day expiry. Wagering requirements apply, 5 redemption points per £1 to clear bonus. Game contributions vary. Maximum bet £5 per round. - T&C Apply, 18+
  • Bonus rating


    More details
    Min deposit£10
    Wagering35x W
    Max cashout£100
    Valid only for gamesStarburst
    Slot games1500
    Payout time2 days

    This just in:

    Players that sign up for a new account at receive 100 bonus spins on Starburst on their first deposit greater than £10.

    Steps to get it rolling:

    1. Register on the site.
    2. Deposit the required amount.
    3. Receive the spins and use them before they expire.

    The catch: 

    • Deposit only through debit cards; deposits via e-wallets will not count for this deal.
    • Spins have a 5 days validity period.
    • Winnings generated through the bonus rounds must be wagered 35x.
    • Wagering example: suppose you generate winnings amounting to £50, then you must wager 35x £50 = £1250 to cash out;
    • The amount that you may transfer to your real balance after you meet the wagering condition will not be greater than £100.

    Visit the casino and read the Terms attentively before you start exploring the games.

    UK residents only.Deposits made via e-wallets are not valid for this promo.Min deposit £10.Spins are valid only on Starburst and expire in 5 days. 35x wagering applies.Winnings from bonuses are capped at £100 - T&C Apply, 18+
  • Only by email

    9.5 / 10
    Alpha Rating

    Get 100 Free Spins No Deposit

    This offer can only be claimed by subscribing.

    We keep your email private. It's only used to send promotions. Subscribing means you agree to receive them.

  • Bonus rating


    More details
    Min deposit£10
    Wagering35x deposit/no wagering
    Max cashoutNo Limit Stated
    Valid only for gamesBig Bass Splash
    Slot games1309
    Payout time1 day

    About BetUK Casino:

    The platform is operated by LeoVegas Gaming PLC and licensed by the UKGC and MGA. Gamblers can download the mobile app from either App Store or Google Play.

    Pros: PayPal payments, fast withdrawal time, over 100 live dealer games.

    Cons: no phone number available

    The offer:

    After registering at the casino, deposit over £10 to be eligible for the first deposit bonus and unlock the complete welcome package:

    • 1s deposit: up to £50 bonus + 5 no wagering spins on Big Bass Splash.
    • 2nd deposit: up to £50 bonus + 5 no wagering spins on Big Bass Splash.

    Be aware:

    The bonus value depends on your deposit amount. For example, you must deposit between £25 to £49 to receive a £25 bonus. Before receiving the bonus money, you must wager the deposit 35 times. The site provides an impressive game library with more than 1300 slots. Gamblers can choose from various game types, including classic slots, live dealer games, and tables. The live chat feature is operational 24/7. Unless stated by an active promotion, you cannot withdraw less than £10.

    New players only across two deposits. Rewards have 7 days from registration to opt-in from “My Promotions” page & each with 7 days wagering. Deposit £10, £25 or £50 & wager 35x. Only cash stakes qualify & wagering contributions vary. 5 free spins worth £0.10 to be claimed within Big Bass Splash with each qualifying deposit, 3 day expiry. - T&C Apply, 18+
  • Bonus rating

    100% UP TO £100

    More details
    Min deposit£10
    Wagering50x D+B / no wagering
    Max cashout£500
    Slot games450
    Payout time2-3 days

    A new deal in town:

    Players that sign up on Lottomart for the first time receive a bonus that matches their first deposit up to £100.

    What’s in it:

    To qualify, you must deposit any amount greater than £10. The bonus funds come with a playthrough requirement of 50x of your deposited amount. Eligible bets with bonus funds range from £0.1 to £5.

    The offer is valid for 7 days after it has been redeemed. Certain slots have a 50% playthrough contribution rate; the rate for each game is displayed under the Play button. Playing with real money while having an active bonus is reserved for cash-only games.

    Get it going:

    • Sign-up.
    • Verify your account.
    • Deposit your desired amount.
    • Select the bonus before completing the transaction.
    • Make sure the Claim Bonus toggle is switched to ‘on’ and that this offer is shown when selecting the deposit amount.

    Visit the casino for more details regarding suitable payment methods and eligible games.

    £10 min deposit. £100 max match. 50x wagering. Game eligibility & contributions vary. 10p to £5 bet range. £500 max redemption. New players only. Limited time offer. Valid 7 days - T&C Apply, 18+
  • Bonus rating


    More details
    Min deposit£10
    Wagering65x B/ 65x B + D
    Max cashout£50/ £250
    Valid only for gamesImmortal Romance
    Slot games500
    Payout time3 days

    Immortal Wins information:

    The casino is developed by Jumpman Gaming Limited and it has been launched recently in 2021.

    Pros: several games from top-brand producers, loyalty program available, swift payouts

    Cons: no mobile or desktop app available as of now, only an email option for contact

    The offer:

    • 5 spins on sign-up for Immortal Romance
    • You receive a try to the Loot Chest to claim up to 500 extra spins on Immortal Romance and the chance to win some prizes like Amazon vouchers.


    The ‘Loot Chest’ will only be credited on your first deposit on the site

    Only bonus wagers will contribute towards fulfilling the wagering requirements

    500+ Slots are up to play

    New players only, £10 min fund, 65x bonus wagering requirements, max bonus conversion to real funds equal to lifetime deposits (up to £250) full T&Cs apply & New players only, no deposit required, valid debit card verification required, 65x wagering requirements, max bonus conversion to real funds equal to £50 - T&C Apply, 18+
    Bonus rating

    100% BONUS MATCH UP TO £200

    More details
    Min deposit£20
    Wagering35x B
    Max cashout£250
    Slot games508
    Payout time1 day

    Important terms

    To qualify for the bonus, you must place at least 5 total bets, and 4 of those bets must be at least half of the highest bet. For example: if your biggest wager for the day is £2, you will need to place at least four additional stakes of £1 or more to be eligible.

    Should you claim this bonus?

    We recommend claiming this FafaBet Casino for the overall value. As a new player, you can double your funds up to a maximum of £200, which gives a valuable boost to your gaming budget. The maximum amount you can withdraw is £250, which sounds better for lower deposits, and the 35x wager is standard, but it could’ve been lower if we compare this bonus to similar offers.

  • Bonus rating


    Code: FREESPINS Copied !
    More details
    Min deposit£10
    Wageringno wagering
    Max cashout£100
    Valid only for gamesReel Diamond
    Slot games1100
    Payout time1 day

    What will you get:

    After you register, deposit and wager £10, you will get 50 extra spins on the Reel Diamonds slot.

    Important information you must consider:

    • Remember that the extra spins will be available for 7 days after they have been delivered to your account.
    • The round will be given at 4 PM the day after qualifying to receive the promotion.
    • Each of the 50 extra spins that you will get has a value that’s worth £0.10.
    • To be able to claim this offer, you must enter the code FREESPINS during the account creation process.

    How can you claim the bonus:

    1. Create an account by walking through the registration process.
    2. Make a deposit of at least £10.
    3. Wager £10.
    4. Claim the spins.

    For more relevant information, we suggest you go and read the website’s Terms and Conditions page. Also, remember that to enhance your betting experience and stay safe, you must play responsibly.

    New Players Only. Min. Deposit £10. Spins Available on Reel Diamonds. Value per spin is £0.10. Winnings are paid to cash balance. Use code 'FREESPINS' on registration. Spins will be credited at 4pm on the day following deposit. 7-day expiration date - T&C Apply, 18+
    Bonus rating


    More details
    Min deposit£10
    WageringNo Wagering
    Max cashoutNo limit
    Valid only for gamesStarburst
    Slot games1100
    Payout time2 days

    Important terms

    • Get up to 40 free spins on Starburst
    • No deposit or wagering requirements
    • Max withdrawal from winnings is the amount of your original deposit

    Should you claim this bonus?

    We highly recommend claiming this bonus. Any winnings are credited as withdrawable cash up to your deposit amount. The spins expire quickly, though, so you need to use them within 24 hours, but 40 free spins give you a decent chance to win some bonus money in that time. Overall, for a little £10 deposit, getting 40 risk-free spins on one of the most popular slots, Starburst, is a great way to understand the casino landscape in the UK.

    New Players Only 18+. Minimum Deposit: £10. Maximum Offer: 40 Spins [Starburst]. Spins will be credited instantly after users register and deposit £10. Spins winnings will be paid in cash, no wagering required. Spins expire after 24hrs. Withdrawal & full T&Cs apply. Valid until further notice. - T&C Apply, 18+
    Bonus rating


    More details
    Min deposit£10
    WageringNo Wagering
    Max cashoutNo limit
    Valid only for gamesStarburst
    Slot games800
    Payout time2 days

    Our experts thoroughly recommend this Kaiser Slots Casino for new UK players especially due to the free spins having no wagering requirements whatsoever. On top of that, the spins are designated for the Starburst slot, the most popular game on the British market. The minimum deposit is average, and it accounts for the high-value bonus you get.

    New Players Only 18+. Minimum Deposit: £10. Maximum Offer: 30 Spins [Starburst]. Spins will be credited instantly after users register and deposit £10. Players will only be credited if they have come from approved marketing sources. Spins winnings will be paid in cash, no wagering required. Spins expire after 24hrs. Withdrawal & full T&Cs apply. Valid until further notice. - T&C Apply, 18+
  • New casino
    Bonus rating


    More details
    Min deposit£10
    Wageringno wagering
    Max cashout£500
    Valid only for gamesRainbow Riches
    Slot games500
    Payout time1 day

    What you get:

    20 no wagering spins on Rainbow Riches

    How to claim:

    1. Sign up for an account by clicking on our Play button
    2. Deposit at least £10
    3. Play within 48 hours from being credited the spins

    Keep in mind:

    • The offer does not have any wagering requirements
    • The maximum conversion is £500
    • Your bonus will expire if it is not used within 48 hours from claiming it
    • Withdrawing any amount of your real balance while the bonus is active will lead to voiding the bonus and any winnings
    18+only | T&Cs | Please play responsibly | New Players Only. Bonus valid 30 Days from receipt. Max conversion: £500. Withdrawal requests void all active/pending bonuses. Excluded Skrill and Neteller deposits. - T&C Apply, 18+
  • Bonus rating


    More details
    Min deposit£10
    Wagering35x deposit/0
    Max cashoutNo Limit Stated
    Valid only for gamesStarburst
    Slot games3900
    Payout time1 day

    What you receive:

    100% up to £200 + 11 no-wager spins on Starburst.

    Promotional rules:

    • Extra spins can be activated in 7 days but used within 24 hours.
    • The offer has 35 times rollover requirements on deposit that must be completed within 60 days since activation.
    • Any remaining spins after a withdrawal will be forfeited.
    • Wagering more than 50% of your bonus value in one stake leads to bonus termination.

    How to claim the offer:

    1st step: Visit Videoslots from our promotional link.

    2nd step: Supply your new account with at least £10.

    3rd step: Activate the promotion from ‘My Bonuses’.

    Should this offer be what you are looking for, you can begin your membership on Videoslots!

    New players only. First deposit match between £10 and £200. 20x wagering on bonus. Jackpot games do not contribute. Remaining bonus funds can be forfeited to cash out current winnings. Max bet 50% of the bonus up to £20. Min deposit £/€/$10. Account balance is withdrawable at any time. Upon withdrawal, any remaining bonus spins are forfeited. 7 days to activate the spins. Bonus spins expire 24 hours after activation.Play responsibly - T&C Apply, 18+
  • Bonus rating


    More details
    Min deposit£20
    Wagering30x /no wagering
    Max cashout£500
    Valid only for gamesBook of Dead
    Slot games400
    Payout time2 days

    The available promotion:

    As soon as you join VoodooDreams, you may redeem a 100% up to £50 incentive and 50 extra rounds on Book of Dead. This offer is linked only to your first deposit on the site.

    What you must do to claim it:

    1. Hit our promotional button;
    2. Complete the registration form;
    3. Deposit an amount exceeding £20.

    Remember these rules:

    • The spins have no wagering requirements;
    • The play-through condition for the bonus funds is 30x deposit+bonus;
    • Games contribute differently towards meeting the requirements;
    • The maximum bet you can place with the bonus is £2;
    • The maximum cashout for the bonus funds is £500.

    Feel free to check VoodooDreams’ terms and conditions for further details concerning this offer, and don’t forget to play responsibly!

    New players only. Maximum £50 bonus. Minimum deposit: £20. Bonus wins are capped at £500. Max bet with active bonus: £2. Wagering requirement 100% match deposit bonus: 30 times sum of deposit + bonus. Winnings from Free Spins are credited as Real Money without wagering requirements. Some games may not be played with an active bonus. Games may contribute differently when wagering a bonus. Bonus expires after 30 days if wagering requirement has not been met. One bonus allowed per person, address, device, IP - T&C Apply, 18+
  • Bonus rating

    100% UP TO £25 + 25 EXTRA SPINS

    More details
    Min deposit£20
    Wagering35x B/ 35x W
    Max cashout£100
    Valid only for gamesBook of Dead
    Slot games1400
    Payout time2 days

    Should you claim this bonus?

    This BetGrouse casino welcome bonus could be better overall, but we recommend it due to the low 35x wagering condition. You’ll double your funds for a £20 minimum deposit, but only up to £25 – it’s hard to say this bonus is either for budget players or gamblers who want to invest more. The 25 extra spins on Book of Dead are a great addition that can help you round those bonus funds to a more attractive amount. The offer is valid for 24 hours, so you have to play and wager immediately.

    Terms and Conditions Apply. New players only. 18+. Min.deposit: £20. Spins available for: Book of Dead. Wagering requirements apply: 35x. Offer valid for 24hr. - T&C Apply, 18+
  • Bonus rating


    More details
    Min deposit£10
    Wageringno wagering/35x B/no wagering
    Max cashoutNo Limit Stated
    Valid only for gamesBig Bass Splash
    Slot games500
    Payout time1 day

    Get to know the platform:

    LeoVegas doesn’t only dispose of a performant desktop interface, but also of an innovative mobile app, available on both iOS and Android devices. The site was launched in 2012 and is licensed by the UKGC.

    Pros: fast payout, 24/7 support.

    Cons: no VIP or loyalty programme.

    The offer:

    After you make a deposit, you can claim up to £100 bonus credit + 50 Big Bass Splash spins, granted across two deposits. Each deposit bonus can go up to £50 for the match offer and 25 extra spins.

    Pay attention:

    The offer can only be claimed within 7 days after registration. Moreover, bonus funds must be wagered 35 times, and the spins have no playthrough requirements. LeoVegas offers more than 800 products from multiple providers, including slots, table games, live casino and bingo. All these games can also be played on an app available on both App Store and Google Play.

    New reg only. Opt in & deposit £10, £25 or £50 within 7 days & further 7 days to wager cash stakes 35x to unlock reward (£50 on 2 deposits). 3 day exp. Wagering/game contributions vary. 25 wager-free spins x10p to added to Big Bass Splash with each qualifying deposit, 3 day expiry. 18+ - T&C Apply, 18+
  • Bonus rating


    More details
    Min deposit£20
    Wagering40x B/40x W
    Max cashout£500/ £100
    Valid only for gamesStarburst
    Slot games900
    Payout time+3 days

    What’s the offer?

    You will get 100% up to £50 + 50 Extra Spins on Starburst.

    To redeem the bonus, you must:

    • Create a new account.
    • Verify your account.
    • Make your first deposit of at least £20.
    • Opt-in for this offer.

    You should remember these rules:

    The bonus earnings will be capped at £100.

    The spins are locked on the popular game Starburst.

    This bonus may not be used together with any other promotion.

    The casino’s bonus policy fully applies to this offer.


    New players only 18+. Min deposit £20. 40x wagering applies to match up bonus . Offer valid for 1 week. 50 spins on starburst. 40x wagering applies to spins - T&C Apply, 18+
  • Bonus rating


    More details
    Min deposit£20
    Wagering35x B/35x W
    Max cashoutNo Limit Stated/£100
    Valid only for gamesStarburst
    Slot games1000
    Payout time+3 days

    The offer:

    Receive 100% up to £100 and 50 extra spins to use on Starburst.

    Keep in mind:

    • Extra spins must be used within 24 hours since activation;
    • With bonus funds you might bet not more than £4;
    • Gains from extra spins cannot exceed £100;
    • Placing deposits using Skrill Moneybookers, Skrill 1-Tap, or Neteller will make you ineligible.

    How to claim:

    1. Push the visit button on this page;
    2. Register and place a deposit;
    3. Claim the bonus.

    If you visit the platform, reserve only two minutes to sign-up!

    Valid for new players only. The Welcome Bonus can only be claimed only once.To claim the Bonus you need to make a min deposit of £20. If you choose to forfeit your Bonus you will not be entitled for your Bonus Spins.Deposits made via Skrill or Neteller are not eligible for the Bonus offer.The Bonus Spins will be credited on Starburst.Bonus Spins will be credited instantly. The Bonus needs to be wagered 35 times the sum of the received Bonus before the Bonus Balance can be converted to your real money balance.Bonus Spins winnings need to be wagered 40 times before the Bonus Balance can be converted to your real money balance. The Bonus Spins are valid for 24 hours, after this period the Bonus Spins will expire. You must select the required Bonus when making your deposits to qualify for this Bonus. Bonus + Bonus Spins will be credited instantly - T&C Apply, 18+
  • Bonus rating


    More details
    Min deposit£20
    Wagering30x B + D, 60x W
    Max cashoutNo Limit Stated
    Valid only for gamesStarburst
    Slot games2600
    Payout time1 day

    What is the offer:

    After you register on this website and make a deposit, you will get a matched bonus of 111% up to £111 and 66 extra spins on Starburst.

    Acknowledge that:

    • UK players must know that the deposit funds must not be used before claiming the bonus to avoid the offer from being voided.
    • You can bet a total of £5 or 10% of the bonus funds. Whichever is the lowest, that is the maximum value that you can bet on one single wager.
    • Each spin will be worth £0.10.
    • The website will void the bonus funds and extra spins if you didn’t use them for a maximum of 30 days.

    How to redeem:

    • Connect to the platform through our website.
    • Complete the registration process.
    • Make a deposit of a minimum of £20.
    • Claim the promotion.

    To learn more about this promotion, visit the website’s Terms and Conditions page and remember to always play responsibly.

    First deposit only. Min. deposit: £20.Max. Bonus £111. WR of 30x Deposit+Bonus amount (Slots count 100%, other games 10%) within 30 days .Spins Game: Starburst. Max Spins:66. WR 60x free spin winnings amount (only Slots count) within 30 days. Spin value: £0.10.. Max bet is 10% (min £0.10) of the Bonus amount or £5 (lowest amount applies). Bonus must be claimed before using deposited funds. First deposit bonus can only be claimed once every 72 hr across all casinos - T&C Apply, 18+
Showing 30 from 361
Load more

Best Rated Slot Bonuses for 2023

Rank Casino Top Rated Slot Bonuses Min Deposit Wagering Condition Max Cashout Best game to play
#1 PariMatch Wager £10 get £20 + 20 free spins £10 30x bonus / no wagering £500 Wild Link Riches
#2 Deposit £10 get 100 free spins £10 35x winnings £500 Sugar Bonanza Deluxe
#3 MadSlots Casino 100% up to £200 £10 30x bonus £100 Big Bass Splash
#4 Megaways Casino Deposit £10 get 30 no wagering free spins £10 No wagering No limit Secrets of the Phoenix Megaways
#5 Monopoly Casino Deposit £10 get 30 no wagering free spins £10 No wagering £100000 Monopoly Paradise Mansion
#6 Planet Sport Bet Casino Wager £20 get 50 free spins £20 10x winnings No limit Starburst
#7 Rainbow Riches Casino 30 no wagering free spins £10 No wagering £100000 Rainbow Riches
#8 MrQ Casino 30 no wagering free spins £10 No wagering £1000000 Fishin Frenzy Megaways
#9 Buzz Bingo Spend £10 get 200 free spins £10 20x bonus Unknown Fishin Frenzy The Big Catch
#10 Betfred Casino Stake £10 play 100 no wagering free spins £10 No wagering Unknown Mega Fire Blaze

The slot bonuses we picked are filtered from the best UK casino bonuses that we have listed. They are based on individual searches and tests done on the coupons created by UK Gambling Commission verified top UK casino sites.

Latest Added Slots Sign up Bonuses in December 2023

Casino brand Top casino bonus Game choice Wagering Play tips 100 no deposit spins Sugar Bonanza Deluxe 35x winnings Schedule your session, since you’ll receive 20 spins a day for 5 consecutive days
MadSlots 100 no deposit spins Big Bass Splash 30x winnings Complete the KYC process after signing up to get the bonus
Jammy Monkey £10 no deposit bonus Treasure Tomb 40x bonus Go to the Jackpots tab and play there since the bonus terms allow it
mFortune  £10 no deposit bonus Fantasy Gold 40x bonus Withdrawals of £30 from accounts who haven’t deposited are not permitted

Why we selected these no deposit sign-up bonuses

  • is a choice that will allow you to play a very popular game and require your average playthrough.
  • MadSlots brings another trendy choice and has a low wagering commitment as opposed to the average market standard.
  • Jammy Monkey is among the few new UK sites who allow bonus play on jackpots.
  • mFortune is a site to choose when you are a new player to get familiar with the process of completing a casino bonus. that

Compare Quick & Easy Slots Welcome Bonuses

Rank Casino Bonus value Number of slot games
#1 Betway £50 +700
#2 888casino £550 +1000
#3 Bonus Boss £100 +2000
#4 LeoVegas £100 +500

Our main focus is the bonus value, the proportion between it, and the money and time invested for that particular bonus. Of course, we take into account how easy and handy it is to complete wagering and cashout, and lastly, the reputation and reliability of the casino operator as a whole.

The casinos we posted above are well-known operators from our best online casinos ranking. Their portfolio is not limited to slots, and the overall customer experience is positive in more ways than just the gambling aspects. These also offer some of the best welcome packages, have a fair bonus policy, and different minimum deposit

Alternatively, you can check out our 100% deposit match bonuses: all of them are available on slots and you will find similar wagering and cashout limits to the best selection on this page.

#1. Betway Casino – up to £50 Slots Bonus for sign up

  • Our reviewers gave a high rating to the games here, slots included, confirming their quality.
  • The offers focused on online slots are either permanent or temporary and are mostly deposit-based, with a fair minimum deposit required.
  • We’ve found top-notch providers in the lobby, like Play’n GO, Big Time Gaming, and Pragmatic Play. Betway is also part of our Playtech casino list UK.
  • You can check the current amounts for jackpot slots in real-time in the lobby.

#2. 888casino – up to £550 Slots Bonus when sign up

  • From the start, 888casino shows double the number of slot games as compared to the industry average.
  • The numerous options and the clean user experience prompted our professionals to give it a 5/5 game rating.
  • The same 5/5 rating was given to its casino bonus range, the majority of which is applicable to slot games.
  • 888casino slots are, in part, created in-house, meaning UK gamblers have access to exclusive games playable here only after they sign up.

#4. Bonus Boss – up to £100 Slots Bonus when sign up

  • While the industry averages +500 slot games per site, it has a catalogue 4 times as big, ranging at over 2000.
  • The list of providers sponsoring the slot-lobby has more than 30 entries, allowing for variety
  • We’ve identified and tried both the welcome bonuses and the no deposit bonuses available and gave them an almost perfect rating.
  • UK players can also play Slingo games, a hybrid that combines slot-machine and Bingo elements

#5. LeoVegas – up to £100 Slots Bonuses at first play

  • The options here are provided by over 30 game providers, and most of them are accepted games to wager your slot bonus on.
  • The bonuses we’ve seen may come with no extra wagering attached, which is both rare and convenient
  • We’ve appreciated the time saved by the search bar in finding preferred games.
  • There are 4 majorly popular jackpot games in the lobby

Simple Steps to  Claim Slots Bonuses in the UK

  1. Pick any offer from our list that conforms to what you’re looking for.
  2. Click the blue “Play” button.
  3. Read the landing page instructions carefully.
  4. Sign up by creating an account.
  5. Use the bonus code when needed, taking it from the top part of our bonus boxes.
  6. When needed, confirm your account.
  7. Make the necessary payment and wait for it to be processed unless it is a payment-free offer.
  8. You’re all set; you’re now ready!
  9. Save time from waiting on the cashout process by completing the KYC practice close to the moment you’ve signed up.

Types of Slot Bonus Offers To Claim

Online slot sites are versatile in types of offers as well as game variety, theme and settings.

We want your experience to be both safe and gratifying. This is our priority. We firmly believe that such a thing is impossible unless you’re well informed. That is why we want to explain each subtype and present your best option.

Free spins no deposit offers for top-rated slots

Slots are naturally linked with free spins with no deposit required. These are basically casino bonus codes that allow rounds in your session without the need for you to make a deposit prior.

You may also come across numerous free spins no deposit mobile verification UK offers, or add credit card free spins, which requires players to offer a guarantee of their identity to the casino in exchange for the rewards received.

Top casinos with extra free spins:

  1. Bonus Boss
  2. 777
  3. Jammy Monkey

Primarily because our participation in the bonuses reached our high standards. The bonuses looked and proved to be compliant with the UKGC directives. We gave the sites high ratings; most of their features are way above market averages, and they constantly update their products to keep up with users’ needs.

To get started with this type of offer, 10 free spins and 20 free spins catalogues of offers are a good starting point. They are usually budget-friendly and completing their turnover will not take up too much of your time.

Slots welcome bonuses with deposits

The best casino bonuses are promotions activated by payment and can be a way of using your gambling bankroll. That depends on the terms imposed and how well you budget and spend your time.

The subtypes are quite numerous, and thus, you can find one that suits you the best. But we have a shortlist prepared for you here.

Top casinos with slot deposit offers:

  1. MrQ
  2. Betfred
  3. William Hill

The most attractive feature is the absence of required wagering. Moreover, the games accepted are popular and allow for an interactive experience. We rated the terms and their implications as fair and were able to proceed to cashout without any major issues arising.

Protect your budget by limiting your spending on casino gambling and choosing a minimum deposit casino. These casinos have a type of bonus that admits users to the entirety of its services for payments of between £3 and £20.

No deposit bonuses from the best casinos

In the UK, no deposit casino bonuses are play opportunities activated after a certain step, usually signing up, without the need for prior payment.

Obviously, their features make them sought-after. Let’s see what we recommend in conjunction with online slot play.

Top 3 no deposit slot casinos:

  1. PocketWin
  2. mFortune
  3. 777

Usually, the normal bonus value is not high by any means. After all, that would ultimately be disadvantageous to the casino. However, our top 3 include casinos that go over the usual £3 to £5 range. In addition, we gave them good bonus ratings in our review, meaning our opinion was positive, the terms were fair, and our cashout process was smooth.

Cashback on slot promotions

Cashback bonuses are rare options allowing the gambler to receive a fixed percentage of the prior losses in the form of bonus funds. As expected, both the loss and the derived funds are often tied to slot play.

List of cashback slot bonuses UK:

  1. All British Casino
  2. Slotty Slots Casino
  3. Hot Streak

Even though cashback offers are seldom found, that does not mean that our expectations of high-quality decrease by any means. Thus, we picked casinos that genuinely offer a notable value without imposing an unreasonably high limit on your losses. We also looked at the frequency with which they’re given out, and we made sure the wagering requirement is not too high, a common practice when it comes to these bonuses.

No wagering slots offers

No wagering bonuses work differently than usual. Once you have played the funds or spins allocated, you don’t need to bet on it anymore. You can proceed to cash out, that is, if you have any derived profit from the casino welcome bonus.

List of top no wagering slot casinos:

  1. EnergyCasino
  2. Greenplay

New UK customers should always be informed about all the casino welcome offer details. Obviously, the wagering part we look at intently in different cases has no play here. However, we still scan for abusive terms and conditions, easy-to-follow rules, good gameplay and smoothness with the processes involved, such as deposits, live chat interactions and withdrawals.

Video Slots Bonus Codes 

When it comes to video slots casino bonus offers, slots have some unique promotional offers that differ from bonuses available for table games or live dealer games. 

Video slot bonuses come in a few main forms. First are video slot bonus codes, which are typically alpha-numeric codes that must be entered upon sign-up in order to redeem a welcome bonus associated specifically with slot play.

These bonuses will also sometimes offer free spins on particular slot game titles as part of a welcome package or reoccurring promotions. The bonuses work the same way for all slot games. 

These codes can unlock free spins for video slots bonus games, or deposit matches for additional games.

How to Choose Slots Bonus Offers

  1. Decide your budget before you go and claim a bonus. You can choose it by session, week or month.
  2. Browse CasinoAlpha’s selection that offers the best vetted bonuses.
  3. Pick a casino that you’d like based on your preferences. You will find factors under the “Details” section of a bonus.
  4. Make your claim automatically or through a bonus code/talk with support.
  5. Set up your account and complete the KYC. You can now start playing!
  6. Remember to play safely and don’t overdo it!
Mobile slots deposit bonus Casino What you get Requirements
Deposit and Play £10 Get 30 No Wagering Spins Monopoly Casino 30 spins at Monopoly Paradise Mansion Add £10 into your account
Deposit £10 Get 30 Wager-Free Spins Bally Casino 30 spins at the Secrets of the Phoenix Megaways slot Add £10 to your account
Deposit £5 Get 50 Bonus Spins + 100% Up To £30 Electric Spins Match deposit and free spins on games of your choise 60x wagering

Deposit £5

Deposit £5 and Play with £10 +25 Extra Spins Amber Spins 25 free spins on Starburst 60x wager

Deposit £5

100 No Deposit Spins on Big Bass Splash MadSlots 100 deposit free spins 30x wager
5 Free Spins No Deposit All British Casino Spins on Book of Dead or Scroll of Dead. Wagering is 35x bonus.

There are plenty of casino bonuses you can get only by downloading the app and verifying your number or card. For £5, Electric Spins gives you a match deposit of 100% and 50 free spins. If you increase your deposit budget to £10, you get 30 wager-free spins from Bally Casino or Monopoly Casino. 

If you’re interested in no deposit bonuses, check’s deal, where you can get 100 no-deposit spins on one of the best-rated games, Sugar Bonanza Deluxe. 

Other top casinos like The Phone Casino and Madslots also have attractive no deposit deals. The Phone Casino provides 100 free spins just for signing up through their app, while Madslots matches offer 100 no deposit spins that can be used on the popular Big Bass Splash slot game.

Boost Your Sessions with Mobile Slot Deposit Bonuses

In browser and app casinos offer mobile slots deposit bonus offers to smartphone gamblers. These promotions include all types of slots and minimum deposit sums from £1. Nowadays, the most popular slot games are adapted for all devices, so it is natural to seek deposit bonuses for your convenience of playing. 

To get the top mobile slots deposit bonuses for playing mobile slots, be sure to download the casino app directly from the Google or Apple store and complete registration on your smartphone. 

Slots Bonus Terms and Conditions You Should Consider

All bonuses come with a set of rules, part of the Terms & Conditions you agree upon when you first sign up.

T&Cs are the equivalent of a digital contract, and you clicking on the “I agree” button is the equivalent of your signature. T&Cs can be changed at the casino’s discretion, but any changes regarding them need to be communicated to you in due time.

Not following the provisions there may result in you losing the slot offer or, even worse, getting your account suspended.

To avoid that, watch out for:

Wagering requirement & contribution

Wagering specifics Data
Average wagering of a bonus 35x – 50x
Average slot contribution 50% 100%
Average wagering timeframe 7 days – 30 days

These are the ranges that are most likely linked to the bonus you’ll eventually choose. You need to calibrate your playtime and strategy if they are different.

You won’t be allowed to cash out unless you complete all the bets to satisfy the wagering requirement.

Payment needed & cashout limit

Transaction details Data
Average deposit limits £5 – £100
Average cash out limit 4 times the bonus amount
Usually excluded payment services Skrill Moneybookers, Neteller, Crypto wallets

Your bankroll is the second most important thing after your health when it comes to gambling.

Thus, following the T&Cs specifications will make it easier not to affect your budget. Please note that the data in the last table is strictly general and changes to a specific slot promotion that you will engage in are very likely to occur.

Bonus availability

All bonuses come with an expiration date, calculated by the time you start playing it. During that time, you will be able to play, and within the same timeframe, you need to complete the turnover.

It is important that you segment your time well because once a promotion expires, your funds will be gone and not in any way usable.

Games accepted

When you’re given a bonus, it is likely that restrictions will be imposed on particular game titles. usually, disavowed games will be progressive or jackpot slots. Even so, read your terms carefully and figure out the specifics.

If you’re new to these games, find out how to play casino slots and make sure you read our guide on how to play slot machine for beginners before you engage in real-money play.

Find the Best Online Slots for Your Bonus Play

Game Provider Best feature Find it here
Ugga Bugga Playtech Low volatility
Mega Joker NetEnt Small minimum bet Grosvenor
1429 Uncharted Seas Playtech Low variance outcomes MrQ

The ranges of all 3 games are hard to compete with. Of course, a good-rated game needs to have pleasing visuals and sounds. And it must allow for setting customization and good ranking features. These 3 contain the complete package.

A top-rated slots bonus for UK players is ideally paired with these games or other similar options of this kind.

Ugga Bugga (Playtech) – Highest played slot

Paylines 10
Volatility Low
Slot Type Classic slot
Reels 3
Editor’s Rating 5/5

Ugga Bugga is a classic 3-reel, 1-payline slot game by Playtech that offers a straightforward but exciting gameplay experience. We gave this slot a 4.6/5 because of the high potential it serves to UK gamblers. We looked at the features, volatility and theme when making real money bets from multiple devices.

The game has low volatility, which means that through a session of 50 spins, your results will not vary as much. This is an advantage for new starters because they can control their budget and results in a simpler manner. The best feature of this game is the 1000x multiplier.

Mega Joker (Netent) – Best for bets

Paylines 5
Volatility Low
Slot Type Progressive slot
Reels 9
Editor’s Rating 4/5

In Standard mode, bets range from $0.10 to $10 per spin. We gave Mega Joker a rating of 4.5/5 rating because we believe it is a high quality progressive slot created by a very popular UK provider. One feature that represents a strong advantage is how well the game optimizes for mobile devices. The retro theme and the feel of a classic, land-based game translate well to smaller smartphone screens.

The best features we’ve discovered are the special Supermeter and Gamble modes, which change your display and how the game functions and produces outcomes.

1429 Uncharted Seas (Playtech) – Editor’s choice

Paylines 25
Volatility Medium
Slot Type Video slot
Reels 5
Editor’s Rating 4/5/5

1429 Uncharted Seas is one of our top recommendations for a themed online slot. We gave it a 4.4/5 rating, and we believe it is a proper choice for any kind of budget and can be played on any device. It draws you into the age of exploration while offering a smooth gaming experience across desktop and mobile. While some slots overwhelm you with too many special features, 1429 Uncharted Seas finds a perfect balance.

You get just enough pirate-themed excitement through the expanding wilds and free spins to stay engaged while the core gameplay remains straightforward and easy to jump into.

New Slot Games Alternatives for 2023

Slot Game Where to play? Min Bet Max Bet
Fishin Frenzy Mr. Play £0.1 £20
Luck o’ the Irish VideoSlots £0.1 £500
Diamond Mine Grosvenor £0.2 £500
Book of Ra Party Casino £0.2 £100

While testing UK’s slots promotions, we played games which technically allow large bets per spin.

Be aware that a £500 spin on Luck o’ the Irish will certainly forfeit a bonus in this game since the maximum bet with extra funds is generally set at £5. Maximum bet limits may vary from one casino to another. 

  1. Absolutely Mad Mega Moolah
  2. Mega Moolah
  3. Arabian Nights
  4. Mega Fortune

These games have had outcomes of millions of GBP when someone hits the jackpot. We know that such games seem attractive and that thousands of UK gamblers bet on them daily. However, we want you to be informed and know when to limit your play. You need to have a healthy approach to gambling and stick to your budget.

What to keep in mind?

Never exceed your budget. To manage it easily, set your sum and schedule your sessions weekly. Use the available responsible gambling tools whenever you can. Online casino bonuses for first deposits or welcome offers might include these games, but you’ll surely have cashout limits.

How to Cash out Your Bonus Slot Funds

  1. Make sure your profile is complete and has all your accurate data filled in.
  2. Complete the wagering requirement beforehand.
  3. Pick a withdrawal method that you’re familiar with, and it’s accepted by the casino.
  4. Check for fees; if there are any, choose an alternative.
  5. Request your cashout.
  6. After the specified waiting time, your funds should be in your personal banking account or e-wallet.

Waiting times contain two parts, the casino’s time to check for any inaccuracies and the payment method processing time.

You can find the waiting times for all the accepted withdrawal services in our reviews.

Banks don’t process payments during weekends or holidays. Thus, they have the longest intervals by default.

Pros & Cons of Slot Bonuses


  • Slot bonuses allow you to access popular game titles within the most popular game category in the industry.
  • Most of them have a medium-sized wagering requirement.
  • Slot deposit bonuses are easy to find and have multiple subtypes.
  • They are easy to play with and don’t require a complex strategy.
  • Some of them come without a turnover.
  • No download bonus slots needed, you don’t have to download slots to get bonuses.


  • Sometimes, the availability of the bonus is small and puts time pressure on you.
  • They may be fixed for a single game.

How We Test Top UK Slot Sign-up Bonuses

  • Bonus value: We test the bonus spins value by creating real casino accounts and making a deposit to obtain the maximum bonus value. Our experts also calculate the true bonus value and how convenient it is, depending on wagering and other bonus features.
  • Multiplier: Our team wagers each match bonus to obtain winnings. We then check the casino account profile to see if the multiplier works correctly. We also check the terms and conditions for rules related to accessing multiplied winnings.
  • Minimum deposit: To access many slot offers, we also transfer the minimum deposit mentioned in the promotional terms using multiple payment services. We test how quickly the deposit appears in the casino account and if it activates the right amount of bonus funds.
  • Maximum cashout: After obtaining winnings and completing the bonus playthrough, we proceed to cashout. We go through all the necessary steps and test how much we can actually withdraw, how quickly the transaction is processed, and which payment methods we can use for payouts.
  • Wagering: When testing the wagering requirements for the latest slot bonuses, we look at the betting limits and how easy they are to complete within the bonus availability. We also check if the settings of eligible games is high enough compared to the playthrough requirements to give you a winning chance.


Are slot bonuses reliable?

Yes, all of the slot bonuses on this page are reliable and legit, as they come from UKGC licenced casinos.

Are there new slot bonuses in the UK?

Yes, new bonuses appear on the market every month, and we make an effort to update this page with new offers as frequently as they appear after doing our due diligence with testing.

What casino has the highest slot bonus?

Paddy Power Games is currently the casino with the highest slot bonus, made up of both extra funds and extra spins,

Which slot has the best bonus?

Mega Moolah has the highest paid bonus from one spin. All the jackpots of that type have the highest bonuses. The chances of getting a positive outcome are statistically lower than normal slots.
AuthorCosmin BrehoiAuthor & Editor at CasinoAlpha

Since forever a student of life and writer at his core, he loves to gamble on football matches in his spare time. Combining the art of prediction and a rigorously trained intuition, he has joined the iGaming world to promote a responsible and data-driven approach to sports betting.

ReviewerTudor TuriceanuCEO & Chief Editor at CasinoAlpha

Tudor Turiceanu uses his multiple systematic skillsets to oversee and coordinate the CasinoAlpha project. He assists the authors in creating a transparent gambling niche for users. As a CEO and Chief Editor with broad knowledge, Tudor knows the importance of transmitting confident advice.