Pragmatic Play · High volatility
Reel Kingdom's fishing smash is the slot that launched a whole series. Here's how the money-collect feature pays, the stats, and whether it's worth a cast off GamStop.
Updated June 2026 · tested by our review team
Big Bass Bonanza (Pragmatic Play, 96.71% RTP, high volatility, 2,100x stake max win) is available off GamStop at non-UK casinos. Read our full verdict, the game's real stats and a breakdown of how its features pay below.
| Developer | Pragmatic Play |
|---|---|
| RTP | 96.71% (some operators run 95.66% / 94.73%) |
| Volatility | High |
| Max win | 2,100x stake |
| Reels / layout | 5×3, 10 fixed paylines |
| Min / max bet | £0.10 — £250 per spin |
| Features | Free spins, fisherman money-collect, win multipliers up to 10x |
| Released | 2020 |
Our verdict
Big Bass Bonanza keeps things refreshingly simple next to the 6-reel tumblers: a classic 5×3 grid with ten paylines and a single, very moreish bonus. The fisherman is the key — during free spins he is a wild who collects the cash value of every money symbol on screen.
Collect enough fish scatters in the bonus and you retrigger more spins while the fisherman's multiplier climbs to 2x, 3x and eventually 10x, applied to everything he reels in. It is a high-volatility game with a friendlier 2,100x cap, which makes it feel more sustainable than its huge-ceiling cousins.
High-ceiling games reward patience, not chasing. Whatever you play, set a budget first and stake at a level your bankroll can absorb. New to these sites? Start with our slots not on GamStop guide or our non UK casino reviews.
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FAQ
Yes — Big Bass Bonanza is available at casinos licensed outside the UK that are not part of the GamStop network, so a GamStop self-exclusion will not block access. However, if you self-excluded because of gambling harm, we strongly recommend you keep that exclusion and seek support from GamCare rather than seeking out non-UK sites.
The default RTP of Big Bass Bonanza is 96.71% (some operators run 95.66% / 94.73%). It is always worth checking the game's information panel before you play, as some operators run lower-RTP builds of the same game.
Yes. Big Bass Bonanza is a high-volatility slot, so wins are less frequent but can be much larger. It suits players comfortable with longer dry spells in pursuit of the bonus features.
During the free-spins round, money symbols carry cash values and the fisherman acts as a wild. Whenever the fisherman appears, he collects the value of every money symbol currently on the reels. Collecting enough fish both retriggers spins and increases his multiplier, up to a maximum of 10x.