Big Bass Splash took the formula of Big Bass Bonanza, raised the top win to 5,000× and added random boosts before the free spins. It is now the slot UK casinos use most for free spins offers. This review covers how the Big Bass Splash slot works, its RTP and max win, and where the offers are.
Big Bass Splash is a 5×3, 10-line fishing slot from Pragmatic Play with a 96.71% RTP, high volatility and a 5,000× max win. Three to five scatters trigger 10, 15 or 20 free spins, where fisherman wilds collect money symbols worth up to 5,000×, and every fourth wild adds 10 spins with a 2×, 3× and then 10× multiplier. Up to five random modifiers can be added before the round starts. It is the most common game in UK free spins offers: 52 in our database, 22 with no wagering, led by 50 Free Spins, no wagering at LeoVegas.
Big Bass SplashPragmatic Play
| Provider | Pragmatic Play |
|---|---|
| Released | Not stated by the studio |
| RTP | 96.71% Versions at 95.67% and 94.6% also exist |
| Volatility | High |
| Max win | 5,000× |
| Layout | 5×3, 10 lines |
| Stake in the UK | Up to £5 a spin (£2 if you are 18 to 24) |
| Bonus buy | Not available in Great Britain |
| Free spins offers | 52 at UK casinos, 22 with no wagering |
Facts from the studio and our slot catalogue. RTP is the headline figure; UK casinos can run lower versions, shown in the game's info screen.
Set a budget and a stake. We work out the average cost of play at the game's 96.71% RTP. Real sessions swing well above and below this average.
The Big Bass Splash slot uses the same 5×3 grid and 10 fixed paylines as the original Big Bass Bonanza. Wins pay from left to right, every line is always active, and the only setting is the stake. Fish symbols carry cash values, a fisherman acts as the wild in the bonus round, and scatters start the free spins. If you have played the first game, you will know your way around within a few spins; the Big Bass Splash rules for lines, scatters and the fisherman collector are the same.
What changes is the ceiling and the build-up. Pragmatic Play raised the value of money symbols to as much as 5,000× and added a pre-bonus stage where random modifiers can improve the round before it begins. Those two changes give the game a wider range of outcomes than the original, which is why many players treat it as the higher-risk version of the same idea.
Three, four or five scatters give 10, 15 or 20 Big Bass Splash free spins. Before the round starts, the game can randomly add between zero and five modifiers. Pragmatic Play describes them as extra money symbols, extra wilds, extra spins and other boosts; which ones you get, and how many, is random each time.
Inside the round, the fisherman wild collects the value of every money symbol on screen when it lands. Every fourth wild retriggers the feature with 10 more spins and raises the multiplier on collected values: 2× on the first retrigger, 3× on the second and 10× on the third. The best rounds combine early retriggers with large fish values. Rounds with few fishermen pay little, and that spread is what makes the game high volatility.
The Big Bass Splash RTP is 96.71%, the figure Pragmatic Play lists on its game page. Our catalogue notes lower versions at 95.67% and 94.6%, and a UK casino can choose which version to run. The difference matters over time: on £1,000 of total stakes, 96.71% means an average cost of about £33, while 94.6% means about £54. Open the game rules from the menu inside the slot to see the version your casino uses.
RTP describes the long run. It does not make any one spin more or less likely to win, and a single session can end far away from the average in either direction.
The Big Bass Splash max win is 5,000× your stake, which is £25,000 at the £5 UK maximum or £10,000 at the £2 limit for 18 to 24 year olds. That is more than twice the 2,100× of Big Bass Bonanza, and it comes from the higher money symbol values. The game is high volatility: long stretches without the feature are normal, and most free spins rounds pay a modest multiple of your stake. Reaching the maximum needs the 10× multiplier together with very large fish values.
No slot appears in more UK welcome offers. 52 offers in our database give Big Bass Splash free spins, and 22 of them pay winnings as cash with no wagering, including LeoVegas, Fruitkings, Fruity Wins. The larger fixed offers include BetMGM (200 Free Spins, no wagering) and Unibet (300 Free Spins on Big Bass Splash). Most give spins worth 10p each for a £10 deposit and a £10 stake on slots. Check the expiry before you claim: several popular offers give only one to three days to use the spins. Our Big Bass free spins page lists all of them.
Big Bass Splash free play means the demo version, which uses play credits instead of money. A Big Bass Splash demo is available at UK licensed casinos once you have registered and passed the age check, which UK rules require before any free play. Playing the demo is a good way to see how often the scatters land and how the modifiers look, but it tells you nothing about how the real-money game will pay in your session.
UK rules cap the stake at £5 a spin, or £2 if you are 18 to 24. Spins take at least 2.5 seconds, and there is no autoplay, turbo mode or bonus buy. In markets where a bonus buy exists for this game, UK players do not see it; you reach the free spins only by landing scatters. That makes the cost of reaching the feature less predictable, so size your stake for a long wait.
Choose Big Bass Splash over the original if you want the same simple game with a higher ceiling and a bit of extra excitement before each bonus. Choose Big Bass Bonanza if you prefer a narrower range of results and the same 96.71% RTP. The later 1000 versions and Big Bass Amazon Xtreme push the top win further, to between 10,000× and 20,000×, at a slightly lower headline RTP. The Big Bass Christmas Bash is a seasonal version with the same 5,000× ceiling, and Big Bass Splash 1000 is a newer edition with a 25,000× ceiling and very high volatility that already appears in some UK free spins offers; its maths differ from the original, as our review explains.
Big Bass Splash is a sensible pick for UK players, mainly because so many free spins offers use it and its headline RTP is high. The rules are easy to follow, the modifiers add interest without complexity, and 5,000× is a reasonable ceiling for a 10-line game. The drawbacks are the same as the original: long dry spells and a feature that often pays little. If you dislike waiting for a bonus, a lower volatility game will suit you better.
There is no way to make sure you win on Big Bass Splash: every spin is random and the RTP is fixed by the game version. Use a free spins offer first: with this many on the market, there is little reason to pay for your first spins on Big Bass Splash. When you play with your own money, keep the stake small relative to your budget so you can wait for the feature; at 96.71%, our calculator above shows how far a budget goes on average. Check the RTP version, avoid chasing losses after a quiet run, and set a deposit limit before you start. Free help is available from the National Gambling Helpline on 0808 8020 133.
These UK licensed casinos give free spins on Big Bass Splash to new customers. The best offers come first: no wagering before wagering, then by casino score.
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. 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.
See all 52 offers with Big Bass Splash spins →
Big Bass Splash next to the original game, the Christmas version and a big-ceiling tumble slot from the same studio.
| Big Bass Splash | Big Bass Bonanza | Big Bass Christmas Bash | Gates of Olympus | |
|---|---|---|---|---|
| Provider | Pragmatic Play | Pragmatic Play | Pragmatic Play | Pragmatic Play |
| Released | Not stated | 2020 | 2023 | 2021 |
| RTP | 96.71% | 96.71% | 96.71% | 96.50% |
| Volatility | High | High | High | High |
| Max win | 5,000× | 2,100× | 5,000× | 5,000× |
| Layout | 5×3, 10 lines | 5×3, 10 paylines | 5×3, 10 lines | 6×5, Pays anywhere |
| Free spins offers | 52 Best | 31 | None | None |
| Best offer | 50 Free Spins, no wagering LeoVegas | 80 Free Spins, no wagering PlayOJO | None | None |
96.71% in the version Pragmatic Play lists. Lower versions at 95.67% and 94.6% also exist, so check the game rules at your casino.
5,000× your stake, which is £25,000 at the £5 UK maximum stake.
Land 3, 4 or 5 scatters for 10, 15 or 20 free spins. Up to five random modifiers can be added first.
It has the same RTP and layout but a higher 5,000× max win and random modifiers. Big Bass Bonanza has a lower 2,100× ceiling and a narrower range of results.
No. Bonus buy features are banned for UK players, so free spins come only from scatters.
52 offers in our database, 22 of them with no wagering. The best ones are shown on this page.
