Best Payout Online Slots UK – 2020

20 Free Spins bonus is awarded on the first deposit (after registration as a new player) of minimum £10. Only one bonus per player is available. The winnings generated from the bonus will be credited to the player's real money account up to the maximum conversion Amount of £500. If within 48 hours from crediting the bonus to player's account, player did not use the bonus, the bonus will expire and player shall not be able to receive the expired bonus. Withdrawal request voids any active/pending bonuses. Excluded Skrill deposits. Full Terms apply.

First deposit only. Min deposit & spend £10. Max 30 spins on Big Bass Bonanza Megaways at 25p per spin. Spins credited upon spend of £10. Full T&Cs apply.

New customers only, min deposit £20, wagering 35x, max bet £5 with bonus funds. Max bonus is 100% up to £100. No max cash out on deposit offers. Welcome bonus excluded for players depositing with Skrill or Neteller. Cashback is cash with no restriction. Full T&C’s apply

18+. New players only. Min Deposit £20. Max Bonus Bet £5. Winnings from spins capped at £50. 100 Zee Spins valid on Starburst (first 10 credited immediately upon first deposit; rest credited at 07:00 GMT at 10/day). Spins must be used by 23:59 GMT of the day on which they are credited to player account, any unused shall be removed. Bonus funds must be used within 30 days. Bonus funds are separate to Cash funds, and subject to 35x wagering (bonus + cash). Full terms apply. BeGambleAware.org

New customers only, min deposit £20, wagering 40x, max bet £5 with bonus funds. 100% up to £99 bonus + 99 free spins on 1st deposit. No max cash out on deposit offers. Welcome bonus excluded for players depositing with Skrill or Neteller. Full T&Cs apply

New players, £10+ deposit required, no e-wallets/prepaid cards, 30x Playthrough, on Bonus and 50x on Free Spins winnings. T&Cs Apply

New Customers only, First 3 deposits only, Min deposit £10. Max bonus £500 + 50 Spins on Starburst. Selected Slots Only, 4x conversion 30x wagering, T's & C's apply.

New players only, 18+. Valid until further notice. Min dep £10. 1 wheel spin. Wheel prizes and odds vary & include free spins [FS] and Games bonuses [GB]. FS wins granted in Games Bonus [GB] over 4 days & valid for 3 days. GB valid on selected games only. WR: 85x GB. GB wins cap: £100 + initial bonus. UK: deposit balance can be withdrawn at any time.Full T&C apply.

New players only, Maximum bonus is £123, Max bet with bonus is £5, No max cash out, Wagering is 50x - Skrill & Neteller excluded, Eligibility is restricted for suspected abuse, Cashback is cash, so no wagering, Cashback applies to deposit where no bonus is included. Full T&C’s apply

Valid until 31.12.2018. New players only. 1st deposit min £20 with code, gets 100% Bonus (max £400) + 50 FS on Kingdom of Cash. FS deposit wins are set at min £1 -max £13. Bonus wins are capped at £400, exc. jp win. To withdraw games bonus & related wins, wager 30x the bonus funds. Wagering reqs vary by game. Withdrawal restrictions & full T&C apply.

Opt-in Required. Wagering occurs from real balance first. 50x wagering the bonus or any winnings generated from free spins, contribution may vary per game. The wagering requirement is calculated on bonus bets only. Bonus is valid for 30 Days/ free spins valid for 7 days from issue. Max conversion: 5 times the bonus amount or from free spins: $/£/€ 20 or 200 kr. Full Terms apply.

Register at Dunder casino today and receive up to $/€/£ 600 + 200 free spins welcome bonus on your first 4 deposits. Get 200 free spins + 100% match bonus up to €50 on your first deposit. Second deposit 50% up to €100. Third deposit 25% up to €150. Fourth deposit 25% up to €300.

*Opt in required. Available 1x per customer. First deposit only. Minimum £10 deposit. Maximum £300 bonus. 40x wagering. Bonus expires 7 days from issue. New customers to casino page only. Player, currency, country, game restrictions & terms apply.

Opt-in Required. Wagering occurs from real balance first. 50x wagering the bonus or any winnings generated from free spins, contribution may vary per game. The wagering requirement is calculated on bonus bets only. Bonus is valid for 30 Days/ free spins valid for 7 days from issue. Max conversion: 5 times the bonus amount or from free spins: $/£/€ 20 or 200 kr. Full Terms apply.

New Customers only, First 3 deposits only, Min deposit £10, Max bonus £500 + 50 Spins on Starburst, Selected Slots only, 4x conversion, 30x wagering, T's&C's apply.

Opt-in Required. New Players Only. Wagering occurs from real balance first. 50x wagering the bonus or any winnings generated from free spins. Contribution may vary per game. The wagering requirement is calculated on bonus bets only. Bonus is valid for 30 days / Free spins valid for 7 days from issue. Max conversion: 5 times the bonus amount or from free spins: $/£/€ 20 or 200 kr. Full Terms Apply.

The Welcome Bonus consists of a FreePlay bonus of 100% of your first deposit, up to $/€/£200 or 2000 SEK (depending on your chosen account currency). For example, if you deposit $200 as your first deposit, you will receive a bonus of $200 in FreePlay In order to receive the Welcome Bonus, you must make a single first time deposit with the promotion code: WELCOME777.