promotions

Welcome Offer

Welcome to Big Thunder Slots, where you can enjoy 100s of slots and win fab prizes every day. 65X wager requirements, max bonus conversion equal to lifetime deposits (up to Â£250), read more for full terms.

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Gonzo's Gold Giveaway

Get a chance to win a bar of solid gold by simply wagering £10 or more on Gonzos Gold Megaways in August. Read more for full T&Cs.

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Newbies Cashback Boost

All new players get Double Real Cashback during their first month with us! Must be claimed manually on-site, read more for full T&Cs.

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Collect Trophies

Complete fun tasks to unlock trophies! Every 5 trophies unlocked moves you up a level and unlocks Free Spins!

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Daily Cashback

Our incredible daily real cashback means you almost can't lose! Must be claimed manually on-site, read more for full T&Cs.

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Loyalty Scheme

Welcome to the Big Thunder Slots Loyalty Scheme where there are five loyalty levels which give you access to daily cashback and amazing rewards from your very first fund! Read more for full T&C's.

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Turbo Reel

Win a spin of the Turbo Reel on every qualifying fund for your chance to win 50-500 Free Spins! 65X wager requirements, max bonus conversion equal to lifetime deposits (up to £250), read more for full terms.

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Winner Winner Chicken Dinner

The player with the biggest single spin win every month will win a £50 Just Eat Voucher, read more for full terms.

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Happy Hours

Play during our Happy Hours between 3-7PM every Wednesday for a chance to win 500 Free Spins! 65X wager requirements, max bonus conversion equal to lifetime deposits (up to £250), read more for full terms.

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200 Club

Win a FREE Amazon voucher when you collect 200 trophies & win up to 20,000 FREE Spins along the way! 65X wager requirements, max bonus conversion equal to lifetime deposits (up to £250), read more for full terms.

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