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Bigger Bass Bonanza at Gamblezen Casino: what you need to know

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.

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Bigger Bass Bonanza

Bigger Bass Bonanza: the game you need to know

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.

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7 key figures explained

Bigger Bass Bonanza at a glance

These figures shape how the game plays and what you can win across every session.

Pragmatic Play

Game studioPragmatic Play
Return to player96.71%
Volatilityhigh
Layout5x4

£20 000

Maximum win multiplex4 000
Top win in pounds£20 000
Release date16/09/2021
What you gain per spin

One round of Bigger Bass Bonanza: from bet to payout

Read this before your first spin to see what happens at each step

What does your bet control?
Set your stake from £0.12 to £5 per spin. The game runs on a 5-reel, 4-row grid with 12 fixed paylines. Your bet is placed once before each spin, and the reels respond to that stake.
Three symbols pay you
Three matching symbols on adjacent reels from left to right form a win. Fish and other regular symbols pay according to the paytable shown below. Money-valued fish land on the reels and remain in view.
Base game spins only
The base game runs each time you spin. Money symbols stay visible on the reels and count towards your round total. Regular symbols and payline wins appear and disappear with each spin until a scatter lands.
Bigger Bass Bonanza scatter trigger
Land three, four or five scatter symbols anywhere on the grid to start free spins. You receive 10, 15 or 20 spins respectively. The bonus round runs once triggered and cannot come again in the middle of free spins unless a retrigger occurs.
Before and after each session
Set a loss limit before play starts. Gamblezen Casino offers deposit limits, loss limits, session time reminders, cooling-off periods and self-exclusion. These tools help you stick to a budget you choose.
What you will see

Explore the reels and bonus features

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From base game to bonus: the scatter and the wild

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.

What does the RTP not tell you?

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.

Choosing your game now

For every £100 you stake, Bigger Bass Bonanza returns £96.71

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.

RTP 96.71% · Standard game

Return per £100 staked£96.71
Casino edge£3.29
4 things you need to know

How to play Bigger Bass Bonanza in the United Kingdom

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18+Gamblezen Casino runs this slot to UK regulations, with these limits on your stake and play.
£5 → £20 000

Your highest stake allowed

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.

Spin the reels yourself each time

Autoplay is not available on this slot in the United Kingdom. You choose your stake and spin the reels manually for each round.

Bigger Bass games compared

Choosing between the Bigger Bass fishing collection

These games range from 96.50% to 96.52% RTP, with maximum wins between 5000x and 25000x stake.

Big Bass Blast

RTP96.50%
Maximum winx5 000
Year2026

Big Bass Football Bonanza

RTP96.50%
Maximum winx5 000
Year2026

Big Bass Trophy Catch

RTP96.50%
Maximum winx5 000
Year2026
Bigger Bass Bonanza demo

Test the slot before you stake

Gamblezen lets you spin the demo as long as you like, or jump straight to the casino when you're ready.

Practice with no cost
Spin without stakes to see how the fishing symbols land and how the free spins round plays out. You get unlimited practice spins with no money at risk and no winnings to collect.
Play demo
Play with real money
Spin with real cash at Gamblezen Casino, pick your stake from £0.12 to £5, and keep any cash you win. Every spin counts toward your session and your account balance.
Play for money
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Bigger Bass Bonanza sits alongside these Pragmatic Play titles

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Your starting point

What you should know about this slot

Find out how volatile this slot runs, what you can win, and what bets the game allows.

Is Bigger Bass Bonanza a high volatility slot?+
Yes. Bigger Bass Bonanza runs on high volatility, which means wins come less often and can be much bigger when they land. The trade-off is longer stretches between payouts, but the potential rewards are larger.
What is the maximum win available on Bigger Bass Bonanza?+
The maximum win is 4000 times your bet. At the example top bet of £1, that comes to £4000. The game's high volatility means this ceiling is tough to hit, but it defines the upper limit of any single round.
Can I play Bigger Bass Bonanza for free in demo mode?+
Yes. The demo section on this page lets you spin the reels without using money and without winning real cash. It's the right way to get a feel for how the game plays before you stake anything.
Why does Bigger Bass Bonanza show 96.71% RTP?+
The 96.71% RTP applies to the standard game as it runs here. This figure means that over a very long series of bets, the game returns approximately 96.71 pence for every pound staked. The exact return in any session varies.
Do I need to bet the maximum on Bigger Bass Bonanza?+
No. Bigger Bass Bonanza allows bets from £0.12 to £5. You choose your stake each round. The paytable adjusts to your bet, so lower stakes pay smaller amounts and higher stakes pay larger amounts.

Set your boundaries before the reels turn

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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