Pragmatic Play's fishing-themed slot runs base game and free spins across a 5x4 grid with 12 paylines. RTP stands at 96.71% on standard play, with high volatility where wins come less often and can be much bigger.

Fishing boat, rod and reels. Bigger Bass Bonanza is a fishing-themed slot from Pragmatic Play released in 2021. You spin a 5-reel, 4-row grid with 12 fixed paylines that run left to right across adjacent reels. The base game fills the grid with money-valued fish symbols and regular icons like a fishing boat, rod, lure and tackle box. High volatility means wins arrive less often but can be much bigger. Three or more matching symbols from the leftmost reel trigger a payout according to the paytable.
Budget and patience required. This slot suits players who can handle longer spins between wins and have a budget for it. Minimum bets start at £0.12, example bets run £0.50 to £1, and the UK limit is £5 per spin. The high volatility means smaller wins are rare; the appeal is the bonus round and the potential for much larger payouts. Players seeking steady, frequent wins on modest stakes may find the dry stretches between hits frustrating.
How the bonus round works. Free Spins reshape the entire round. Land 3, 4 or 5 scatters to trigger 10, 15 or 20 spins. During free spins, the wild symbol (a fisherman) appears only here, substitutes for all other symbols except the scatter, and crucially collects all money values on screen when it lands. Every fourth collected wild retriggers an extra 10 spins with a multiplier on money collection. The bonus round caps at 4,000 times your bet, making it the engine that drives the biggest wins.
Learn MoreThese figures shape how the game plays and what you can win across every session.
Read this before your first spin to see what happens at each step
Collect and multiply during free spins. Three or more scatters award 10, 15 or 20 free spins. The wild fisherman lands only here, substitutes for all symbols except scatters, and collects every cash value on screen. Every fourth wild retriggers 10 more spins with a multiplier of x2, x3 or x10 on collected money, up to three times. Your total bonus win cannot exceed 4000 times your stake.
Bigger Bass Bonanza base game paylines. The base game runs across a 5-reel, 4-row grid with 12 fixed paylines. Wins form left to right on adjacent reels starting from the leftmost. Fishing-themed symbols and cash-valued fish pay according to the paytable when three or more match on a payline.
When does the bonus round land? Scatter symbols trigger free spins at random intervals. No pattern predicts when three will land together, so bonus rounds cannot be timed or counted on.
Does the RTP guarantee your session result? The 96.71% RTP describes returns across millions of spins. One session result is purely random and can be a win, a loss or anything in between.
Is the biggest win realistic for you? The maximum win of 4000x your bet is a ceiling reached very rarely. Plan your stakes assuming typical outcomes, never the top prize.
RTP is a long-term average across hundreds of thousands of spins. The 96.71% figure applies to the standard game and tells you what the game returns to players overall, not what any single session will produce.
The highest bet you can place is £5, and at that stake the maximum win reaches £20 000. Lower bets pay proportionally less; at £1 the cap is £4 000.
Autoplay is not available on this slot in the United Kingdom. You choose your stake and spin the reels manually for each round.
These games range from 96.50% to 96.52% RTP, with maximum wins between 5000x and 25000x stake.
Gamblezen lets you spin the demo as long as you like, or jump straight to the casino when you're ready.
Find out how volatile this slot runs, what you can win, and what bets the game allows.
Your spending limit matters. Decide how much you can afford to lose before your first spin. Set this as a hard limit on your account and stick to it, session after session.
Stop at a winning moment. Plan when you will stop, even if you land a big win. Many players chase losses or keep playing after a run of success. Know your exit point in advance.
Limits protect your account. Use Gamblezen Casino's deposit limits and loss limits to enforce the boundaries you set. These tools cap what you can stake each day or month, and help you stick to your plan.
Pause when it matters. If the game stops being fun, take a break. Use the cooling-off period to step back for a few hours or days. If you need longer support, GamCare, BeGambleAware and GAMSTOP are there for you.
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