Unlock our 100% Deposit Offer + 50 Free Spins on Book of Dead Slot.

Online Casino Bonus at Slot Boss

Welcome to Slot Boss, the home of UK online slots. Within our collection of casino slot games, you can play some of the most popular slot games in the business. Not only that, thanks to our exclusive new customer deposit offer, you can sign up to Slot Boss and receive a 100% deposit offer alongside 50 free spins to be used on the popular Book of Dead slot. T&Cs apply.

How do I sign up for the Slot Boss deposit offer?

Well, it’s simple, register with Slot Boss and head over to the my offers page and click on the opt-in and deposit button. Players must make a single deposit of £10 or more to activate the offer, and the matched deposit will be awarded when the player has wagered 35x on our collection of online slot games.

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Online Slot & Live Casino Promotions at Slot Boss

As well as our deposit offer at Slot Boss, we also have a huge range of promotions across our online slots and live casino games. These include our game of the week and our top pick of the week, where players have the chance to receive free spins and cash rewards by opting in via the promotions page.

Visit The Promotions Page to find out more

Popular Casino Welcome Bonuses

First Deposit Welcome Bonus

Welcome bonuses reward players of online slots by offering a matched reward of your deposit to play on slot games. Here at Slot Boss, our welcome bonus rewards our new registered players with a 100% deposit offer of up to £150, so if you deposit up to £150 and meet the wagering requirements of 35x, you’ll receive a reward in your account.

Free Spins Welcome Bonus

Free Spins offers can be found all over the online slot and live casino space and usually run alongside no deposit or deposit offers to give players more value. Slot Boss offers players 50 free spins in the Book of Dead slot as part of our welcome package. Simply deposit at least £10 and meet the 35x wagering requirements, and you’ll receive the free spins to use at a value of 0.10p on the popular Egyptian-themed Book of Dead slot.

Promotional Terms

Full T&Cs apply.Full T&Cs apply. New player only. 7 days to claim offer and deposit a min of £10 with a further 7 days to wager 35x. Cash stakes only and wagering contributions vary. Max reward £150. 50 wager-free spins 0.10p each on Book of Dead awarded after wagering complete, winnings paid as cash. 3 day expiry.