Gigantic Jackpots Await โ Win Millions at Slot Boss!
Get ready to spin your way to life-changing wins with Gigantic Jackpots at Slot Boss! Featuring four progressive jackpotsโMini, Minor, Major, and Megaโthereโs a chance to grab prizes that seed at ยฃ4.50 and climb to a staggering ยฃ4.5 million! ๐ Opt in today, set your stake, and let the reels decide your fate. Keep reading to find out how to join the fun!

Slot Boss Casino Promo
How It Works
Once youโve opted in at Slot Boss Casino, each spin contributes a portion of your ยฃ0.09 Jackpot bet to the progressive prize pool. When you spin, youโll see a Jackpot bar displaying the current values for each tier. Your balance reflects your bet and Jackpot contribution, making it all crystal clear.
The Jackpot wheel can trigger on any spin, picking winners at random. The colourful segments determine whether youโll claim the Mini, Minor, Major, or Mega Jackpot. ๐ And hereโs the exciting partโevery penny of your Jackpot win will be transferred to your account automatically!
How to Opt-In for Gigantic Jackpots
- Sign up up if you haven’t already and enjoy Slot Boss Casino’s Welcome Bonus!
- Log in to Slot Boss Casino
- Choose a Game: Click on any game featuring the Gigantic Jackpots badge.
- Opt-In: Click the โOpt Inโ button at the bottom of the game screen.
- Understand the Rules: Review the Jackpot Game Rules and click โJoin Now.โ
- Set Your Stake: Place a minimum bet of ยฃ0.10 and start spinning!
- Jackpot Bet: An additional ยฃ0.09 per spin is added for the Jackpot contribution.
๐ The Prizes Youโre Playing For:
- Mini Jackpot: Starts at ยฃ4.50.
- Minor Jackpot: Starts at ยฃ90.
- Major Jackpot: Starts at ยฃ9,000.
- Mega Jackpot: Starts at ยฃ4,500,000!
- Every game round gives you the chance to trigger the Jackpot wheel, where you can win one of these incredible progressive prizes. ๐ก
T&Cs & exclusions apply. New players deposit ยฃ10+. Cash & wagering conditions vary. Max reward ยฃ150. 7 days to claim + further 7 days to wager 35x. 50 FS 10p each awarded on Big Bass Splash after wagering, 3 day expiry. 18+.
Why You Should Join
Slot Boss is giving you a shot at prizes so big theyโre almost unbelievable! Whether youโre chasing the Mini Jackpot for a quick win or dreaming of that jaw-dropping Mega Jackpot, the thrill is unmatched. And donโt forget, you can check out other amazing offers and free spins over at Bonusmenu.co.uk to keep the fun going! ๐ฐ
Donโt miss your chance to play for these Gigantic Jackpotsโlog in or sign up at Slot Boss today! Who knows? Your next spin could change everything! ๐ฅ
Terms You Need to Know
Minimum bet: ยฃ0.10, plus ยฃ0.09 Jackpot bet. The Jackpot is progressive, meaning it grows with every spin across the Slot Boss network. The RTP of the Jackpot is 70%.Jackpots are won at random and verified by Slot Boss. Also, the Mega Jackpot starts at ยฃ4,500,000 but can climb with no upper limit!
Slot Boss
Although a brand operated by LeoVegas PLC Group, Slot Boss has made it into the big leagues of the UK online gambling scene with a stellar collection of online slots, a great “Gigantic Jackpots” promo with progresive prizes, and an array of user-friendly benefits that make the experience suitable even for beginners. With games from 20+ top providers, as well as Evolution’s live casino portfolio, it aims at the very top of UK’s online casino pyramid.
Casino Hub
Although a brand operated by LeoVegas PLC Group, Slot Boss has made it into the big leagues of the UK online gambling scene with a stellar collection of online slots, a great “Gigantic Jackpots” promo with progresive prizes, and an array of user-friendly benefits that make the experience suitable even for beginners. With games from 20+ top providers, as well as Evolution’s live casino portfolio, it aims at the very top of UK’s online casino pyramid.
More Bonuses here, selected by our Team at Bonusmenu.co.uk
5 Free Spins – New players only, No deposit required, valid debit card verification required, max bonus conversion ยฃ50, 65x wagering requirements, Full T&Cs apply. Up to 500 Free Spins – New players only, ยฃ10 min fund, free spins won via mega reel, max bonus conversion to real funds equal to lifetime deposits (up to ยฃ250), 65x wagering requirements and full T&Cs apply here
18+ New players only, UK customers only. Min Dep ยฃ20. Max Bonus Bet ยฃ5. Offer: 100% of 1st deposit up to ยฃ300 + 100 Zee Spins on Starburst (first 10 credited on 1st deposit; rest credited at 07:00GMT at 10/day) + 500 Zee Points. Spins expire after 23:59GMT on day theyโre credited. Winnings from each 10 spins capped at ยฃ50 & credited as bonus. Bonus funds expire after 30 days, are separate to Cash funds, & subject to 35x wagering of bonus + deposit amounts. Affordability checks apply. Terms Apply Play Responsibly.ย BeGambleAware.org
#AD. New customers only. Min deposit ยฃ10, wagering 60x for refund bonus, max bet ยฃ5 with bonus funds. Free Spins bonus has x40 wagering. 23 free spins on registration (max withdrawal is ยฃ100). 77 extra spins on 1st deposit. No max cash out on deposit offers. Welcome bonus excluded for players depositing with Ecopayz, Skrill or Neteller. Eligibility is restricted to suspected bonus abuse. Bonus terms apply
11 FS – New players only. Min. deposit ยฃ10. Account ballance is withdrawable at any time. Upon withdrawal, any remaining bonus spins are forfeited. 7 days to activate the spins. Bonus spins will expire 24 hours after activation. Full T&C Apply.
ยฃ200 deposit bonus – New players only. Min. deposit ยฃ10. 30 days to activate & 60 days to use deposit bonus after activation. Wager req.: 35x on eligble games. Max. Bonus ยฃ200. Bonus balance is paid with 10% Increments to account balance. Bonus balance is not payable. Max. bet is ยฃ20 or up to value 50% of the bonus amount – whichever is lowest. Account ballance is withdrawable at any time. Upon withdrawal, any remaining deposit bonus is forfeited. Full T&C Apply, play responsibly.
This welcome offer is only available to new customers based in the UK. Offer valid for 7 days from Registration. To qualify for this offer, you must; Opt in on the registration form and make a first deposit of ยฃ20 or more. We will match your first deposit 100% with a welcome bonus of the same value (up to a max of ยฃ100) giving you double your money to play with.. Example: Deposit ยฃ100 + Receive ยฃ100 Bonus = ยฃ200 Balance.You will also receive 100 free spins on Jackpot City Gold Blitz as soon as you have staked ยฃ20 on any Games Global game..Depositing ยฃ20 in multiple transactions e.g. two x ยฃ10 deposits, will not qualify.
New customers only. 7 days to place qualifying bet of ยฃ10+ at 1/1 (2.0) to receive 4 x ยฃ10 Free Bets: 1 x ยฃ10 Acca, 1 x ยฃ10 Horse Racing, 1 x ยฃ10 Football, 1 x ยฃ10 Bet Builder. 7 day expiry. Exclusions apply. Stake not returned. 18+. T&Cs apply.
18+. Sign up, deposit and stake on Big Bass Bonanza, and receive Free spins on Big Bass Bonanza. 30 day bonus expiry. Ends 14/02/25 at 23:59 GMT. Full T&Cs Apply. begambleaware.org.
New members only, must opt in. Min ยฃ10 deposit & wager. 30 day expiry from deposit. 18+. Bingo: Advertised ticket value based on ยฃ1 tickets. Game availability & restrictions apply. Click for DFG Rules link.
“New players only. Min deposit ยฃ20. Offer: 150% first deposit bonus up to ยฃ30 on slots + 50 wager-free spins valid on Big Bass Splash. To claim the spins: min of ยฃ20 first cash deposit wagered on slots by 23:59 GMT. Spins credited the next day and valid until 23:59 GMT. Spin winnings credited as cash and capped at ยฃ100. Bonus funds are separate to cash funds and subject to 40x wagering requirement (bonus + deposit). Only bonus funds count towards wagering contribution. ยฃ5 bonus max bet. Bonus funds must be used within 30 days. Affordability checks apply. “