Online Casino Bonuses

Sign Up Bonus

Free Welcome Bonus

Boss the slots with a £10 free bonus when you register at Slot Boss. There's no deposit required - just sign up and head to your 'My Promotions' page to claim and you'll be ready to start spinning your favourite slots completely free.

T&C's Apply. New players only. Opt in by clicking "Claim" via the “My Promotions” page within 3 days of registration and use within a further 3 days. 99x wagering target. Max single stake with a bonus is £5. £50 max win and withdrawal for non-depositors. Only bonus stakes contribute towards wagering requirements. Wagering contributions vary. 14 day expiry. Not all games contribute towards wagering requirements. £10 free paid as bonus funds. 18+ Begambleaware.org

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First Deposit Bonus

100% First Deposit Offer

There's up to £200 in cash up for grabs when you make your first deposit at Slot Boss. Just make your first single deposit of £20, £50, £100, £150 or £200 and wager 30x for a matched cash reward.

T&Cs apply. New players only. Opt in via the “My Promotions” page within 14 days of registration. Deposit £20, £50, £100, £150 or £200 as a single first deposit and wager 30x for a matched cash reward. Reward claimed through "My Promotions" page. Not all games contribute towards wagering. Wagering contributions vary. T&Cs apply. New players only. Opt in via the “My Promotions” page within 14 days of registration. Deposit £20, £50, £100, £150 or £200 as a single first deposit and wager 30x for a matched cash reward. Reward claimed through "My Promotions" page. Not all games contribute towards wagering requirements. Wagering contributions vary. Only cash stakes will qualify. 14 day expiry. 18+ BeGambleAware.org

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Current Player Promotions

Play Your Way

Choose How You Play

Play Your Way this weekend with £2 worth of Free Spins on Monopoly Megaways at Slot Boss. Simply stake £25 on any slots, your free spins will be available to claim from the My Promotions page. Then it's up to you to choose the size of your spins!

T&Cs apply. * Offer is available until 23:59 Sunday 12th July 2020. Must stake £25 cash on slots to qualify. Free spins must be claimed via the "My Promotions" page by 23:59 Sunday 12th July 2020. Free spins are awarded on Monopoly Megaways. Free spins are awarded at a total value of £2. Players can decide the stake level to play free spins from a selection of values. All winnings from free spins will be credited as cash. 3 day expiry.

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Slingo Giveaway

Secure a Cash Reward

We're giving away £10,000 over the next two weeks in our Slingo Cash Giveaway! Each week you can earn an equal share of £5,000 when you opt in and stake £50 cash and any eligible Slingo games. Once you've qualified head to your My Promotions page on Friday to claim your cash.

T&Cs apply. Promotion will run until 23:59 Thursday 16th July 2020. Must opt in via the 'My Promotions' page then stake £50 cash on eligible Slingo games within each promotional period to qualify. Qualifying players will receive an equal share of £5,000 cash for each promotional period. First qualifying period: Friday 3rd July 2020 - Thursday 9th July 2020. Cash reward will be credited by 4pm Friday 10th July 2020. Second qualifying period: Friday 10th July 2020 - Thursday 16th July 2020. Cash reward will be credited by 4pm Friday 17th July 2020. Cash reward will be available to claim via the "My Promotions" page. 30 day expiry.

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No wagering requirements

Wager-free spins

At Slot Boss we guarantee that all the free spins we give away carry no wagering requirements. That means all winnings are yours to keep.

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** Any bonus issued is valid for a period of 30 days from the date of issue unless otherwise stated in the specific promotion. Any remaining/unused bonus at the end of the stated period will be removed from the player’s account. See terms and conditions for full promotional terms. **

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