Big Bass Bonanza at Highstakes Casino: RTP and maximum win
Pragmatic Play's 5x3 fishing-themed slot with free spins triggered by scatters, returning 96.71% to players over time and delivering wins up to 2,100 times your stake.
Know what you're playing: Big Bass Bonanza explained
Ocean setting, standard paylines. Big Bass Bonanza takes you to the water with a fishing theme across a 5-reel, 3-row grid. Released by Pragmatic Play in December 2020, it runs on 10 paylines and triggers wins left to right from the leftmost reel. The slot leans into ocean and angling visuals with symbol designs built around the catch. High volatility means your wins arrive less often but can be significantly larger when they land. Free Spins mode stands as the core feature, bringing special reels and a Wild collector that builds multipliers across retriggered rounds.
Big Bass Bonanza suits patient players. Big Bass Bonanza suits players who accept longer stretches between wins in exchange for the potential of bigger payouts. You'll need patience for a high-volatility game and a bankroll matched to your bet size. The slot works across bet ranges from NZ$0.10 to NZ$250, so you can adjust your stake to your comfort. Players seeking frequent small wins may find the wait between wins frustrating. Those chasing larger bounces and willing to ride out quieter spins will find the game's structure more rewarding.
How do you trigger the bonus? Free Spins reshape how the slot plays and define most winning sessions. Land 3 or more Scatter symbols to trigger the bonus round: 3 awards 10 free spins, 4 gives 15, and 5 grants 20. During free spins, the Fisherman Wild appears on all reels and collects Money symbol values, building your total. Each fourth Wild collected adds 10 bonus spins and escalates the Money multiplier, with up to three retriggering levels pushing multipliers to x10. This mechanic turns the bonus round into the game's engine for larger wins.
MoreBig Bass Bonanza game specs at a glance
Highstakes Casino shows you the complete picture: who made the game, how often it pays, and what your maximum return could be.
Pragmatic Play
NZ$525 000
Before you spin: limits, then the result
You'll know how to place a bet, form a win, trigger the bonus round, and set session limits.
What do the screens of Big Bass Bonanza show?
Big Bass Bonanza screenshots with paylines marked
You can view detailed screenshots of every game screen, including all Free Spins sequences and Money Collect mechanics in action. Free Slot Games
Unlock the free spins bonus
When the bonus round starts. Three or more scatters trigger free spins: 3 scatters give 10 free spins, 4 give 15, and 5 give 20. During free spins, the Fisherman Wild appears on all reels and collects money symbol values. Each time you collect 4 wilds, you gain 10 extra free spins and the money multiplier escalates, with a maximum of 3 retriggers possible.
How does the base game differ? The base game uses a 5 by 3 grid with 10 paylines running left to right from the leftmost reel. Standard pay symbols land here—the Fisherman Wild only appears during free spins, so it never triggers wins in the base game.
How much does Big Bass Bonanza return per 100 staked
Return to player is a long-run average calculated over millions of spins. The 96.71% figure applies only to the standard game. In real sessions, your actual results will vary.
RTP 96.71% · Standard game
Bonuses, results, and maximum wins
Scatter timing is random. Free spins arrive without notice. The scatter symbols that trigger them land randomly, so when the next bonus round starts depends entirely on chance, not on how long you have played.
RTP does not predict your result. The result of your session is random whatever the RTP is. The RTP describes long-term behaviour across many spins; your next session may lose or win far more than the percentage suggests.
Maximum win is exceedingly rare. The maximum win of NZ$2,100 at your example bet of NZ$1 is a ceiling that very few players will reach. It comes from rare symbol combinations on the reels and bonus retriggers, not from regular play.
How do you want to play Big Bass Bonanza?
Learn without money at risk
Spin Big Bass Bonanza without stakes or winnings. You learn how the reels move, how wins form and where the free spins trigger, with practice chips that have no value.
Play demoBig Bass Bonanza at the casino
Spin Big Bass Bonanza with real money bets and keep any winnings. You control your bet from NZ$0.10 to NZ$250 a round and decide when to stop.
Play for real moneyWhat other Pragmatic Play slots can you play at Highstakes Casino?
Which Big Bass game suits your play style
Five Big Bass games range from 96.50% to 96.52% RTP and from x5 000 to x25 000 maximum win across the series.
Big Bass Blast
Big Bass Football Bonanza
Big Bass Trophy Catch
Ask Big Bass Bonanza the questions that matter
Settle the essentials about this slot before your first bet
How much can Big Bass Bonanza pay out at maximum?+
How often do wins arrive in Big Bass Bonanza?+
How does Big Bass Bonanza differ from other games in the series?+
Why would I play Big Bass Bonanza in demo mode first?+
Can I bet as little as NZ$0.10 on Big Bass Bonanza?+
When the slot stops being fun
Set your bet limit first. Decide on a session budget before you start spinning and stick to it. This amount should be money you can afford to lose without affecting your day-to-day living.
You choose when to walk away. Plan in advance when you will stop playing, whether you are ahead or behind. Many players find it helpful to set a time limit as well as a money limit.
Account control tools. Use your account's deposit limits and loss limits to control how much you spend. Highstakes Casino offers session time limits and cooling-off periods too.
Big Bass Bonanza losing its appeal? If Big Bass Bonanza stops feeling like entertainment or you feel you're losing control, pause play or use self-exclusion. The Gambling Helpline New Zealand and The Problem Gambling Foundation are available 24/7.