NEW players at the super-slick Casumo Casino can double their first deposit with a 100% bonus up to £100 AND get 50 bonus spins on the smash-hit slot, Big Bass Bonanza.
Simply follow our link to sign up, opt-in and make a first deposit of £20 or more, and Casumo will match it pound-for-pound, plus drop 50 bonus spins into your account.
What you get with this Casumo Casino bonus
- 100% deposit bonus up to £100
- 50 Bonus Spins on the hugely popular Big Bass Bonanza
- Double your funds to explore over 3,500 slots and games
- Bonus available with a minimum deposit of £20
- Winnings from bonus spins are converted to bonus money
This is a fantastic package for players who want a significant boost to their starting funds, giving them more playtime across a massive games library.
A closer look at Big Bass Bonanza
Your 50 bonus spins are on one of the most popular slots in the UK. Get your fishing rod ready, because Big Bass Bonanza is all about reeling in the big one.
This fishing-themed slot from Pragmatic Play is famous for its lucrative Free Spins round. Here, the friendly fisherman acts as a wild and collects the cash values attached to all the fish symbols that land on the same spin. Landing more fishermen can retrigger the feature with an increasing multiplier for truly massive catches.
- Theme: Fishing Adventure
- Key feature: Free Spins with Money Symbol Collect
- RTP: 96.71%
- Max win: 2,100x your bet
It’s easy to see why this simple but hugely rewarding slot is a favourite you’ll find at the top of every casino lobby.
Why else choose Casumo?
Casumo is an award-winning and globally recognised brand, offering a premium and safe gaming environment. Players get access to:
- A massive library of over 3,500 games from all the top providers
- A clean, fast, and highly-rated mobile app for gaming on the go
- A full Live Casino with roulette, blackjack and thrilling game shows
- Regular promotions and a unique loyalty ‘adventure’ for existing players
- A safe and UKGC-licensed brand you can trust.
There’s a good reason why we list Casumo as our top online casino in the UK.
Casumo bonus terms & conditions
It’s important to check the small print before you play. Here’s what to know about this Casumo welcome offer:
- New UK customers (18+) only. Bonus opt-in required.
- Min. deposit £20. Max bonus £100.
- 30x wagering requirement applies to the deposit and bonus amount.
- 50 Bonus Spins on Big Bass Bonanza at £0.10 per spin.
- Winnings from bonus spins are paid as bonus money and are subject to 30x wagering.
- Bonus expires in 7 days. Bonus Spins must be accepted within 3 days.
- Game weighting, and max bet rules apply.
- Full T&Cs apply.
Should you claim the Casumo bonus?
If you’re looking for a generous, well-rounded offer from a top-tier modern casino, this is an absolute catch. The 100% deposit match up to £100 gives you serious firepower to explore Casumo’s vast game library, while the 50 bonus spins give you a fantastic shot at landing a big win on the ever-popular Big Bass Bonanza.
About the author
James Anderson
James Anderson is a Betting & Gaming Writer at The Sun. He is an expert in sports betting and online casinos, and joined the company in November 2020 to work closely with leading bookmakers, casinos, and online gaming companies to curate content in all areas of iGaming and sports betting. He previously worked as a Digital Sports Reporter and Head of Live Blogs/Events at the Daily Express and Daily Star, covering football, cricket, snooker, F1 and horse racing.
Remember to gamble responsibly
A responsible gambler is someone who:
- Establishes time and monetary limits before playing
- Only gambles with money they can afford to lose
- Never chase their losses
- Doesn’t gamble if they’re upset, angry or depressed
- Gamcare – gamcare.org.uk
- GambleAware – GambleAware.org
Read our guide on responsible gambling practices.
For help with a gambling problem, call the National Gambling Helpline on 0808 8020 133 or go to gamstop.co.uk to be excluded from all UK-regulated gambling websites.
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