300% Bonus Casinos
A 300% casino bonus or higher offers some of the most significant incentives among online casinos. This type of bonus can be found in various forms, such as deposit match bonuses, cashback bonuses, and even no deposit bonuses, providing users with more significant opportunities to increase their winnings. To ensure an advantageous interest rate for players, these bonuses are often accompanied by strict requirements regarding minimum deposits, play-throughs, and other criteria. It is essential to thoroughly review all the associated specifications before taking advantage of this type of offer to avoid any surprises in the long run.
 Coral Casino |
Welcome Bonus 500% Bonus Up To £50 |
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Visit | Terms & Conditions: New customer offer £50 Welcome Bonus when you play £10 on Slots. 18+. New Casino players only. Deposit req (certain types excluded). Bet £10+ on qualifying games to get a £50 Bonus (selected games, 40x wag req, accept within 14 days, valid for 30 days). T&Cs apply. |
 Winner Casino |
Welcome Bonus 400% Bonus Up To £4,000 + 100 Bonus Spins |
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Visit | Terms & Conditions: £10,000 and 500 Free Spins Welcome Package over 5 deposits, starting with 400% up to £4000 + 100 Free spins on Starburst on 1st deposit. Minimum deposit £20. Coupon code WINN1 required. Wager 50x Bonus. Valid until 31.12.2029. Full terms apply. |
 Galaxy Spins |
Welcome Bonus 400% Bonus Up To £2,000 + 100 Bonus Spins |
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Visit | Terms & Conditions: Welcome package worth up to £5000 and 500 Free Spins over 6 deposits, starting with 400% Bonus up to £2000 and 100 Free Spins on Starburst on 1st deposit. Minimum deposit £20. Coupon code GALAXY1 required. Wager 50x Bonus. Full terms apply. |
 Doctor Spins |
Welcome Bonus 500% Bonus Up To £2,500 + 50 Bonus Spins |
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Visit | Terms & Conditions: Welcome package up to £5000 and 150 Spins over 3 deposits, starting with 500% Bonus up to £2500 and 50 Free Spins in Narcos on 1st deposit. Minimum deposit £20. Coupon code DR1 required. Wager 50x Bonus. Full terms apply. |
 Slots n Roll |
Welcome Bonus 300% Bonus Up To €5,000 + 50 Bonus Spins |
Visit | Terms & Conditions: Welcome offer 600% Bonus and 100 Free Spins over your 1st 2 deposits, starting with 300% Bonus and 50 Free Spins on Cash Bandits 3 on 1st deposit. Coupon code WELCOME1 required. Min deposit €25. Maximum Bonus €5000. Maximum winnings from Free Spins €50. WR Bonus 20x. WR Free Spins winnings 45x. Full terms apply. | |
 Nevada 777 |
Welcome Bonus |
Visit | Terms & Conditions: 600% Bonus and 100 Free Spins over the 1st 2 deposits, starting with 300% Bonus up to $10000 and 50 Free Spins on 1st deposit. Coupon code WELCOME1 required. Minimum deposit $25. Free spins valid on Cash Bandits 3. WR 20x deposit + bonus amount. Winnings from Free Spins will be subject to wagering of 45x. Full terms apply. | |
Added Recently  Millionaire |
Welcome Bonus Deposit £10 and get 50 Bonus Spins |
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Visit | Terms & Conditions: Welcome offer 50 Free Spins on Book of Dead on 1st deposit. New players only. Minimum deposit £10. Wager from real balance first. 50x wagering the bonus. Contribution varies per game, selected games only. Wager calculated on bonus bets only. Bonus is valid for 30 Days from receipt and free spins for 7 days from issue. Maximum conversion 3x bonus amount or from free spins £20. Excluded Skrill & Neteller deposits. Withdrawal requests void all active pending bonuses. Full Terms apply. |
Added Recently  Golden Lion Casino |
Welcome Bonus 250% Bonus Up To $2,500 |
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Visit | Terms & Conditions: 250% Welcome Bonus up to $2500 and 10% Cashback on 1st deposit using code SPELL250. Code is valid once for new players on slots and specialty games only. Playthrough x40, no maximum cash-out. A minimum deposit to claim the code is $25+. Cashback is given in a form of a Free Chip, Playthrough x50, maximum cash-out x5, to be claimed in Live Chat. Full terms apply |
Added Recently  Nevada 777 |
Welcome Bonus 300% Bonus Up To £10,000 + 50 Bonus Spins |
Visit | Terms & Conditions: 600% Bonus and 100 Free Spins over the 1st 2 deposits, starting with 300% Bonus up to $10000 and 50 Free Spins on 1st deposit. Coupon code WELCOME1 required. Minimum deposit $25. Free spins valid on Cash Bandits 3. WR 20x deposit + bonus amount. Winnings from Free Spins will be subject to wagering of 45x. Full terms apply. |