Slotty Slots Casino Bonus Codes & Promotions for May 2025

18+. New customers only. 10% cashback on net slot losses only (Min £10). Based on losses from first deposit only. Cashback credited 7 days after reaching minumum net loss position. Min £1, max £100 cashback

18+. New customers only. Bonus Spins: Min deposit £10, max 150 Bonus Spins. 30x wagering, 4x max conversion. Spins valid on Big Bass Splash. Spin value 10p.

18+. New customers only. First deposit only. Min deposit and wager £10. Max 30 Free Spins Daily. Spins valid on Cowboys Gold and Cowboy Coins. Spin value varies. Log in required to claim. Max 1 spin per day on the Lucky Wheel for 5 consecutive days after first deposit. Lucky Wheel outcomes vary. Max payout: £500.

18+. Existing players only. Deposit £25–£49 in previous week for 10 Free Spins, £50+ for 20 Free Spins. Spins valid on selected slots. Max win £500 (cash). Spins credited each Monday, valid for 7 days. T&Cs apply.

18+. Verified players only. Deposit £250+ monthly to get 1 spin on the Monthly Lucky Wheel. Win up to 200 Bonus Spins (40x wagering, max win £50) or 75 Free Spins (cash, max win £500). Spins valid for 7 days. One spin/month. T&Cs apply.

18+. Second deposit only. Min deposit £20. Max 20 Free Spins. Can be claimed one time upon second deposit. Spins valid on The Dog House. Spin value 20p. Max payout: £500. Spins to be claimed within 7 days. T&Cs apply.

18+. New customers making their first deposit only. Min deposit £10, Min 20 bonus spins, max 50 bonus spins on Starburst, Aloha! Cluster Pays or Finn and the Swirly Spin only. 30x wagering, 4x max conversion. 7-day spin expiry.

18+. New customers making their first deposit only. Min deposit £50. 10% cashback on any net slot losses only (Min £10). Cashback based on losses from first deposit only. Cashback credited within 3 days from first deposit made. Min £1 cashback, Max £200 cashback.

18+. New customers only. First five deposits only. Min deposit £20 as first deposit. Max 200 bonus spins. 30x wagering. 4x max bonus conversion. Deposit Bonus Spins can be claimed once per deposit across first five deposits. Spins valid on Book of Vikings. Spin value 10p.

18+. New customers only. First three deposits only. Free Spins: Min deposit £20, max 60 Free Spins. Max payout: £500. Free Spins can be claimed once per deposit across first three deposits. Spins valid on Big Bass Bonanza. Spin value 10p. Bonus Match: Min deposit £20. Max 100% bonus match up to £60. Bonus Match based on winnings earned from first three deposits only. 40x wagering, 4x conversion.