promotions
Welcome Offer
Welcome to Online Slots UK, Start your adventure by claiming your 100% Matchup Bonus worth up to £200! Read more for full T&Cs.
New players only, £10 min fund, £200 max bonus, max bonus conversion to real funds equal to lifetime deposits (up to £250), 65x wagering requirements and full T&Cs apply
Race 2 Riches
Rev Your Engines for Massive Wins. Join the ultimate 3 months (Apr. 21st to June 29th) leaderboard tournament where a remarkable £500k prize pool awaits the players.
Customers must opt in by opening an eligible game & clicking 777-icon to opt-in. Only available on eligible Games Global games. Customer will earn points for every bet places with a minimum value of £0.10. Promotion runs from Apr. 21st to June 29th with 10 weekly tournaments. Customer must claim their prizes withing 7 days after the end of each tournament. Click ‘read more’ for details.
iPhone 16 Giveaway
We're giving away FIVE iPhone 16 Pro Max! Every £10 wagered this May on Big Bass Bonanza 3 Reeler will enter you into the Prize Draw. Read more for Full T&Cs.
1 entry for every £10 wagered on Big Bass Bonanza 3 Reeler between 1st – 31st May. The Winners will be contacted via email by 10th June 2025 and must claim the prize within 7 days. The winner may opt for a cash equivalent credited to their account. Click ‘read more’ for details.
Rewards Reel
Spin the Rewards Reel Twice a Day to Win Free Spins, and collect symbols for a bigger weekly Free Spins Prize! Read more for full T&Cs.
Funded players only. Collectibles reset weekly on Mondays. The Rewards Reel can be played twice per day. The first spin each day is available between 08:00 AM - 19:59 and the second spin is available between 20:00- 07:59 each day. Free Spins are awarded on 333 Boom Banks Power Combo. Winnings paid in bonus funds; 65x Wagering Requirements apply; max bonus conversion to real funds equal to lifetime deposits (£250 max). Full T&Cs apply.
Fluffy Fridays
Join in Fluffy Fridays, every week between 8pm - 11pm, for the chance to win a share of £1,000 this month. Read more for Full T&Cs.
1 entry for every wager on any qualifying games every Friday in May between 8pm - 11pm will be entered into the prize tournament. No Minimum bet. Click ‘read more’ for details.
Trophy Rewards
Our Trophy Mega Reels are packed full of FREE Spins on either Master Joker & Tree of Riches throughout the month. Read more for full T&Cs.
Free spin winnings are credited as Bonus. 65x wagering requirements, max bonus conversion to real funds equal to lifetime deposits (up to £250), full T&Cs apply.
Collect Trophies
Complete fun tasks to unlock trophies! Every 5 trophies unlocked moves you up a level and unlocks Free Spins, Read more for full T&Cs.
Claim free spins for every 5 trophies collected. Winnings are credited as Bonus. 65x wagering requirements, max bonus conversion to real funds equal to lifetime deposits (up to £250) full T&Cs apply.
Our Unbeatable Online Slots UK Promotions
We know you came to Online Slots UK to play great online slots, but we hope you'll stick around for our amazing reward schemes. We value all of our players at Online Slots UK, and we go the extra mile to say thank you for playing with us. There are so many bonuses and incentives available to our players that almost anything you do here can bring its own reward, but here's an at-a-glance guide to help you find your way around.
Online Slots UK Welcome Offer: Sign up to our online casino site and make your first £10 deposit to receive a 100% match bonus of up to £200 to spend on top casino games (Full T and Cs Apply)!
Trophy Collection: The Online Slots UK website is full of hidden trophies for you to collect. For every five you’ll find, you’ll be promoted up to the next level of our reward scheme. The higher your level is, the more free spins there are on offer when you spin our Mega Reel (Full T and Cs Apply)!
Turbo Reel: Here’s a reward for the Online Slots UK high rollers. Deposit £100 or more, and you can unlock our Turbo Reel. This is like a souped-up version of the Mega Reel; the minimum free spins reward has been boosted to 50, and the maximum is pushed all the way up to 500 (Full T and Cs Apply).
Winner Winner Chicken Dinner: Winning at online slots is hungry and thirsty work. If you’re this month’s biggest winner, dinner us on us in the shape of a £50 voucher to spend at Just Eat. It doesn’t have to be a chicken dinner if you don’t want it to be - the choice is yours (Full T and Cs Apply).
Happy Hours: Like every great UK pub, Online Slots UK has "Happy Hours." Fund your account on Monday or Tuesday, and then log in again on Wednesday between 3 pm and 7 pm to claim your reward. Winners will receive a minimum of ten free spins, and the slot those spins can be used on changes every week to keep things fresh (Full T and Cs Apply).
Friday Fun Bingo: Bingo is fun to play any day of the week at Online Slots UK, but Fridays are special. That's because on Fridays you can join the Friday Fun Bingo Room, which special prizes available during every game from 8 pm onward, and up to £2500 on offer (Full T and Cs Apply).
The 200 Club: Remember those trophies we mentioned earlier? Collect 200 of our Online Slots UK trophies to pick up an Amazon Voucher on us, plus the chance to win up to five hundred free spins for every five trophies you collect on the way (Full T and Cs Apply). 20,000 free spins? It can be done!
*NEW PLAYERS ONLY, £10 MIN FUND, £200 MAX BONUS, MAX BONUS CONVERSION EQUAL TO LIFETIME DEPOSITS (up to £250), 65x WAGERING REQUIREMENTS AND T&Cs APPLY