The Big Bass slots are the most used games for free spins in the UK. We list 90 Big Bass free spins offers at UK licensed casinos, on Big Bass Splash, Big Bass Bonanza and other games in the series, with the terms of each.
We list 90 Big Bass free spins offers at UK licensed casinos: 54 on Big Bass Splash, 31 on Big Bass Bonanza and 5 on other games in the series. 35 pay winnings with no wagering. The top-rated is PlayOJO: 80 Free Spins, no wagering. Most need a £10 deposit, and the offers range from 20 spins to 320.
18+ T&Cs. New customers. Deposit £10 to get 80 spins worth 10p each on Big Bass Bonanza. Winnings paid as cash, no wagering.
18+ T&Cs. New customers. Opt in, deposit £10 and wager it on eligible casino games within 7 days. 50 spins worth 10p each on Big Bass Splash, valid 3 days. No wagering on spin winnings.
18+ T&Cs. New customers in Great Britain. Opt in and stake £30 on slots for 300 free spins on Big Bass Splash. Check the current wagering and expiry in the terms.
18+ T&Cs. New customers. Stake £30 on slots within 7 days of registering for 320 spins on Big Bass Splash. 10× wagering on spin winnings. Debit card or instant bank transfer only.
18+ T&Cs. New customers. Deposit £10 and wager £10 on slots within 24 hours of registering for 100 spins on Big Bass Bonanza. Spins worth 10p, valid 72 hours. Winnings paid as cash.
18+ T&Cs. New customers. Deposit £20+ within 72 hours of registering and wager £20 on Big Bass Bonanza for 20 spins. No wagering; winnings paid as cash. Spins valid for 24 hours. Skrill and Neteller deposits do not qualify.
18+ T&Cs. New customers. First deposit £10 and stake £10 on slots for 100 spins worth 10p on Big Bass Splash, credited automatically. No wagering on spin winnings. Spins expire after 48 hours. Skrill and Neteller deposits do not qualify.
18+ T&Cs. New customers. Deposit £20 or more through the promotion in the cashier and wager £20 in cash on slots for 50 free spins worth 10p each on Big Bass Football Bonanza. Spin winnings carry no wagering and are capped at £50. The spins are credited within 7 days and last 7 days. The homepage headline also shows a 100-spin package on Big Bass Splash, so check the cashier for the version that applies to you.
18+ T&Cs. New customers. Deposit £10 and spend £10 to choose one offer: 100 free spins on Big Bass Splash at 10p each after £10 on slots, or 100 free bingo tickets worth up to 10p each after £10 on bingo. Winnings are paid as cash with no wagering, and both expire 48 hours after they are credited. No code is needed.
18+ T&Cs. New customers. Opt in and play £10 on slots, instants or Slingo within 7 days of registering for 200 spins on Big Bass Splash, worth 10p each. Use within 3 days. No wagering.
18+ T&Cs. New customers. Deposit £10+ and wager it once on eligible games for 50 spins on Big Bass Splash. No wagering on spin winnings. Spins expire after 72 hours.
18+ T&Cs. New customers. Deposit £10 and stake £10 on slots for 40 free spins worth 10p on Big Bass Splash. Winnings are paid as cash with no wagering. Spins expire 48 hours after crediting. Some sources report 100 spins; check the current terms.
18+ T&Cs. New customers. Deposit and play £10 on slots for 100 spins worth 10p on Big Bass Splash. Winnings are paid as cash with no wagering. Spins expire 48 hours after crediting. No code needed.
18+ T&Cs. New customers. Opt in, deposit £20 and complete the qualifying wager within 7 days for 20 spins on Big Bass Splash. No wagering on winnings. Spins valid for 24 hours. No code needed.
18+ T&Cs. New customers. Deposit £10 with code MATE50 and stake £10 on slots for 50 spins worth 10p on Big Bass Splash. Spins expire after 24 hours. Sources list 1× or no wagering and a £100 maximum cash-out. Skrill, Neteller and Paysafecard deposits do not qualify.
18+ T&Cs. New customers. Deposit and wager £10 for 100 spins worth 10p on Big Bass Splash. No wagering; winnings paid as cash. Spins expire after 48 hours. Skrill deposits do not qualify. No code needed.
18+ T&Cs. New customers. Select the offer, deposit £20 within 7 days and wager it once on eligible casino games within 7 days for 50 spins worth 10p on Big Bass Splash. No wagering on spin winnings. Spins expire 3 days after crediting.
18+ T&Cs. New customers. Opt in, deposit and play £10 for 50 spins on Big Bass Bonanza, with no wagering on spin winnings. One source lists a promo code. Check the spin value and expiry in the current terms.
18+ T&Cs. New customers. Opt in, deposit and stake £10 on any slot for 50 spins worth 10p on Big Bass Splash; some sources say £20. No wagering on winnings. Spins expire after 5 days. Choose the casino or sports welcome offer at sign-up.
18+ T&Cs. New customers. Deposit and bet £5 on a slot within 7 days for 50 spins worth 10p on Big Bass Bonanza, no wagering. Sources differ on the promo code. You cannot claim both the sports and casino welcome offers.
18+ T&Cs. New customers. Add a debit card, deposit £10+ and wager £10 on eligible games for 50 spins on Big Bass Splash. No wagering on winnings, paid as cash. A maximum win applies but is not published in the sources we found.
18+ T&Cs. New customers. Deposit £10 and wager £10 on slots for 50 free spins on Big Bass Splash. Winnings carry no wagering. No code is needed.
18+ T&Cs. New players only. Min Deposit £10+. Wager £10+ and get 50 Free Spins on Big Bass Splash. Free Spin winnings will be paid in Cash. 0x Wagering Requirements on Free Spins Winnings.
18+ T&Cs. New customers. Deposit £10 or more for one Mega Wheel spin. The top prize is 500 free spins on Big Bass Splash, but a prize of that size is not guaranteed. Free spin winnings are capped at £8 per 10 spins. Winnings carry 10× wagering, and bonus money converts to cash only up to your lifetime deposits, capped at £250. No code is needed, and our source does not state an expiry.
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Big Bass free spins are everywhere in the UK because the games are popular, simple and cheap to give away at 10p a spin. The series comes from Reel Kingdom and is published by Pragmatic Play. Each game is a fishing slot: money symbols land on the reels, and in the free spins feature a fisherman wild collects their values. The 90 offers on this page all put their spins on one of the Big Bass games, as the casino names it in the offer or terms.
Most casinos pick the game because players know it. For you, the main thing is that the spins work only on that slot, at a fixed stake, so it helps to like the game. If you have not played it, many UK casinos let verified players try a free demo of the game, which is a cheap way to see whether the fishing feature is for you.
Big Bass Splash is the most common slot for UK spins offers: 54 of the offers here use it. It is a later game in the series with the same fishing theme and a larger top prize than the original. Offers range from 20 spins for a £20 deposit to 320 spins for a £30 stake. Among the Big Bass Splash free spins with no wagering, no cap and a deposit of £10 or less are LeoVegas, Fruitkings, Zebra Bingo, BetMGM, Pink Casino, Peachy Games, Casushi, Fun Casino, HighBet, Big Thunder Slots, Buffalo Spins, Virgin Games.
A number of Big Bass Splash offers are part of a Mega Wheel at Jumpman Gaming sites, where the spins are a prize rather than a fixed reward. Those carry 10× wagering and a cap on what bonus money can convert; see our 500 free spins page for how the wheel works.
31 offers give Big Bass Bonanza free spins. Big Bass Bonanza came out in 2020. It is a 5×3 slot with 10 paylines, an RTP of 96.71%, high volatility and a top win of 2,100× your stake. Among the Big Bass Bonanza free spins with no wagering, no cap and a deposit of £10 or less are PlayOJO, LiveScore Bet, VBET, Planet Sport Bet. Several Skill On Net sites give 100 Big Bass Bonanza spins with 10× wagering, and a few White Hat Gaming sites give 50 to 75 spins with no wagering but a £100 cap. Our Big Bass Bonanza review covers the game itself.
5 offers use other games from the series, such as Big Bass Splash 1000, Big Bass Bonanza 1000, Bigger Bass Splash or Big Bass: Hold & Spinner. They play in a similar way with different features and maximum wins. The card names the game where the casino does.
35 of the 90 offers pay what the spins win as cash. They come in a few common sizes: 20 spins for a £20 deposit at a group of sister sites that give just 24 hours to play them, 50 spins for £10 at several casinos, and 100 or 200 spins for £10 at a few. Some cap the winnings, often at £50 or £100, and many give three days or less. All no wagering offers are on our no wagering casino bonus page.
The other offers carry wagering on the spin winnings, mostly 10×. 16 of them come with a deposit match, such as 100% up to £50 plus 50 Big Bass Bonanza spins, where the match is the larger part. The largest fixed offers, 300 and 320 spins on Big Bass Splash for a £30 stake, also carry 10× wagering. With wagering, compare the cap and the expiry as well as the number of spins.
At 10p a spin, 50 Big Bass spins are £5 of play and 100 are £10. The games are high volatility, so most sets of spins pay a few pounds and some pay nothing, while a free spins feature with several fisherman wilds can pay many times more. Over a large number of spins, a slot with an RTP near 96.7% returns about £9.67 for every £10 of spins, but that average says little about one session.
Pick the game first, Splash or Bonanza, then filter by wagering and deposit with the controls at the top of the list. For most players, a no wagering offer for £10 with no cap and a week to play is the best value. If you plan to stake £30, the largest offers give over 300 spins but with wagering. Check how long the spins last: several popular offers here expire in 24 to 48 hours.
Set a deposit limit before you play. Free, confidential help is available from the National Gambling Helpline on 0808 8020 133.
The top no wagering Big Bass Splash and Big Bass Bonanza offers, and the largest fixed offers, side by side.
| LeoVegas | PlayOJO | Unibet | 32Red | |
|---|---|---|---|---|
| Offer | 50 Free Spins, no wagering | 80 Free Spins, no wagering | 300 Free Spins on Big Bass Splash | 320 Free Spins on Big Bass Splash |
| Deposit to start | £10 | £10 | £30 | £30 |
| Wagering | None | None | 10× | 10× |
| Free spins | 50 | 80 | 300 | 320 |
| Win cap | No cap | No cap | No cap | No cap |
| Time to use | 3 days | 7 days | 30 days | 30 days |
| Promo code | Not needed | Not needed | Not needed | Not needed |
| Our score | 9.0/10 | 9.1/10 | 8.8/10 | 8.7/10 |
| Claim offer | Claim offer | Claim offer | Claim offer |
The game is the same family, so compare the deposit, the wagering and how long you have to play.
18+ · New customers only · T&Cs apply · Terms checked 21 October 2026 · BeGambleAware.org
We list 90 UK licensed casinos with Big Bass offers, 54 on Big Bass Splash and 31 on Big Bass Bonanza.
Yes. 35 offers here pay winnings as cash.
Both are fishing slots from the same series. Bonanza is the original; Splash is a later game with a larger top prize.
£10 at 10p a spin. What they pay depends on the free spins feature and your luck.
Not on this page. The offers here need a deposit or a stake, usually £10.
