Online Casino Bonuses

Register Your Card Bonus

Boss the slots with £10 free when you register. We'll credit you with your free funds once your card is added to the account - there's no deposit required, you'll just be ready to start spinning your favourite slots completely free.

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100% First Deposit Bonus, up to £200!

Where else gives you a 100% bonus on your first deposit up to a £200? That's right, there's up to £200 up for grabs when you make your first deposit of £10 or more.

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Current Player Promotions

 
 
Deposit Match

Play with more

Get a 50% match up to £25 on your weekend deposit when you enter code 25EXTRA. Offer expires 23:59 Sunday 24th June. T&C's apply. 

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£10,000 cash prizes

Slots World Cup

The World Cup has now started, and we are running our own slots tournament with £10,000 of cash prizes to give away. For every £10 you stake you will be awarded one point, whoever has the most points at the end of the World Cup will be crowned the winner. Click here for more information.

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For bonus terms and conditions see: https://www.slotboss.co.uk/promotional-terms

** 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. **