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Best Welcome Bonus for Rainbow Riches
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Unibet Welcome Bonus
Claim Bonus#Ad 18+. BeGambleAware.org. New Customers Only. Minimum deposit £10. 50x wagering requirement apply. Bonus will expire 30 days after opt-in. Further T&C's apply. -
GentingBet Welcome Bonus
Claim Bonus#Ad New Customers. 35x real money cash wagering of initial deposit amount (£20-£200) on qualifying slot games completed within 30 days unlocks equivalent cash bonus (% game weightings apply). Payment restrictions apply. 15 days to accept/opt in .Full T&C's here. 18+. BeGambleAware.org. -
O'Reels Welcome Bonus
Claim Bonus#Ad New players only. Wagering occurs from real balance first. 5x wagering the bonus or any winnings generated from free spins, contribution may vary per game. The wagering requirement is calculated on bonus bets only. Free spins valid for 7 days from issue. Minimum deposit £/$/€20. Max conversion: 3 times the bonus amount or from free spins: $/£/€ 20. Excluded Skrill deposits. Full Terms apply. 18+. BeGambleAware.org. -
Mr Green Welcome Bonus
Claim Bonus#Ad 18+. Play Safe. New UK customers only. Opt in required. 1x per customer. Min. £10 deposit. 1st deposit only. Selected games only. Max. Bonus £100 with 15x wagering and 100 Free Spins at £0.20/spin on Lucky Mr Green with 15x Wagering. Free Spins and Bonus credited once deposit amount has been wagered on slots. Bonus and Free Spins expire 7 days after issue. Game weighting, game, country, currency, player restrictions and terms apply. BeGambleAware.org. -
Chelsea Palace Welcome Bonus
Claim Bonus#Ad Play Now New players only. First deposit only. Min dep £10. Min 100 bonus spins, max 300 bonus spins on selected slots only. 30x wagering, 4x conversion. Full T&Cs apply. 18+. BeGambleAware.org. -
Betfred Welcome Bonus
Claim Bonus#Ad New customers only. 18+. Promo code CASINO100. £10 min transfer and stake on Slots at Betfred Casino within 7 days of registration. Minimum 5 game rounds. Game restrictions apply. Max 100 Free Spins. 50 Free Spins on Lucky Emeralds or Blue Wizard followed by 50 Free Spins on selected games within 48 hours. £0.10 per spin. Free Spins must be accepted within 3 days. 7-day expiry. Payment restrictions apply. SMS validation may be required. Full T&Cs apply. 18+. BeGambleAware.org. -
SlotsMagic Welcome Bonus
Claim Bonus#Ad First Deposit Only. Min. deposit: £10, max. Bonus £50. Game: Rich Wilde and the Book of Dead, Spin Value: £0.10, Max Spins:50. WR of 30x Deposit + Bonus amount and 60x Spin winnings amount (only Slots count) within 30 days. Max bet is 10% (min £0.10) of the spin winnings and bonus amount or £5 (lowest amount applies). Spins must be used and/or Bonus must be claimed before using deposited funds. First Deposit/Welcome Bonus can only be claimed once every 72 hours across all Casinos. Bonus Policy applies. 18+. BeGambleAware.org. -
PlayOJO Welcome Bonus
Claim Bonus#Ad New players only. Deposit required. 50 Free Spins are credited only when using the supplied Kicker Code on first deposit. Min deposit £10. Each Free Spin valued at 10p. No min withdrawal. T&Cs, Rewards and Game Play Policy applies. Please play responsibly. BeGambleAware.org. 18+ only. -
bet365 Casino Welcome Bonus
Claim Bonus#Ad New Casino customers only. Deposit min. £10. Max. bonus £25. 20x wagering (game weighting, table coverage and max. bet rules apply) on deposit and bonus to make the bonus balance withdrawable. Time limits and T&Cs casinooperator:bet365/terms apply. 18+. BeGambleAware.org. -
RedSpins Welcome Bonus
Claim Bonus#Ad New players only. First deposit only. Min deposit £10. Min 100 bonus spins, max 300 bonus spins on selected slots only. 30X wagering. 4X conversion. Full T&Cs apply. 18+. BeGambleAware.org. -
Scorching Slots Welcome Bonus
Claim Bonus#Ad First 3 deposits only. Min deposit £10, Max total bonus 250 spins on Gonzo’s Quest, Starburst, Asgardian Stones or Jumanji, spin value varies, 1x wagering, 10x conversion. Selected slots only. T&C's apply. 18+. BeGambleAware.org. -
777 Welcome Bonus
Claim Bonus#Ad New players only • No Deposit Offer: Claim in 48 hrs • 14-day expiry • Free Spins (FS) wins credited as bonus & capped at £10, excl. JP win • Deposit Bonus Offer: FreePlay (FP) wins credited as bonus & capped at amount received, exc. JP win • Valid for selected games • Bonus wins capped at £500, excl. JP wins • Pre-1st deposit only: Bonus wins & max redeemable amount capped at £100, excl. JP wins • 50x wagering - req. vary by game • Bonus expires in 90 days • Payment method & country restrictions apply • Withdrawal restrictions & T&Cs apply: No Deposit Offer & Deposit Offer. 18+. BeGambleAware.org. -
SlotsMillion Welcome Bonus
Claim Bonus#Ad New customers only. Min deposit £10. Bonus spins credited as follows: 40 spins upon first deposit, with additional 2x30 spins 24 and 48 hours thereafter. Spins coin value: £0.01; 48x wagering; 7 days/24 hours expiry for deposit match/bonus spins. Max stake and game restrictions apply. Full T&Cs apply. 18+. BeGambleAware.org. Play Responsibly. -
Pots of Luck Welcome Bonus
Claim Bonus#Ad New players only. First deposit only. Min deposit £10. Min 100 bonus spins, max 300 bonus spins on selected slots only. 30X wagering. 4X conversion. Full T&Cs apply. 18+. BeGambleAware.org. -
888casino Welcome Bonus
Claim Bonus#Ad New players only • No Deposit Offer: Claim in 48 hrs • 14 day expiry • FP wins are credited as bonus and capped at £10, exc. JP win • 50x wagering • Deposit Offer: £20 min deposit • Claim in 48 hrs • Valid for selected games • Bonus wins capped at £500, excl. JP wins • Pre-1st deposit only: Bonus wins & max redeemable amount capped at £100, excl. JP wins • 30x wagering – req. vary by game • Bonus expires in 90 days • Payment method & country restrictions apply • Withdrawal terms, No Deposit Offer terms & Deposit Offer terms apply. 18+. BeGambleAware.org.