Pragmatic Play's fishing-themed slot uses free spins with money collection and wild multipliers to chase wins of up to NZ$1,250,000, with a 96.71% RTP and high volatility.

How the reels are arranged. Big Bass Splash is a 5-reel, 3-row fishing game from Pragmatic Play with 10 fixed paylines that pay left to right. Released in 2022, it combines an ocean theme with high volatility, meaning wins arrive less often but can be considerably larger. The slot centres on a Fisherman wild symbol and fish scatter symbols that drive its bonus mechanics. Base-game near-miss teasers trigger when exactly two scatters land: either a random respin where scatters move down and other reels respin, or a hook that pulls a reel up to reveal another scatter.
When high volatility works for you. This slot suits you if you have patience for longer dry spells and enjoy the possibility of substantial single wins. High volatility means you need a larger bankroll and longer play sessions to ride out the gaps between payouts. The betting range from NZ$0.10 to NZ$250 per spin lets you pick your stake. If you prefer frequent, modest wins over rare big ones, or if your budget is tight, a lower-volatility game may suit you better than this one.
Where the biggest wins happen. Free Spins is the feature that reshapes how rounds play. When you land enough scatters to trigger it, the Fisherman wild appears on all reels and collects the random money values shown on fish symbols. Every fourth Fisherman collected retriggers an additional 10 free spins and raises the collection multiplier up to level 4. Random in-round events—dynamite, hook and bazooka—add or swap symbols to keep the cash collection moving. This mode is where your largest wins typically form.
Read moreYou'll know exactly what the game mechanics are and what your money can return.
Follow how a round runs, from choosing your stake to seeing what you've won.
Big Bass Splash Free Spins collection. The Fisherman wild lands on all reels and collects random money values from fish symbols, ranging from 2x to 5000x your total bet. Every fourth wild collected retrieves 10 additional spins and raises the multiplier level: level 2 is x2, level 3 is x3, and level 4 is x10 maximum.
Before and after near-miss reshuffles. Five reels across three rows spin with 10 fixed paylines that pay left to right from the leftmost reel. Landing exactly two scatters triggers a random respin where scatter reels shift down and others respin, or a hook pulls a reel up to reveal another scatter.
You'll know how to start a round and what to expect from each game mode.
Five titles in the Big Bass series range from 96.50% to 96.52% RTP, with maximum wins from 5000x to 25000x your bet.
Buy Free Spins to enter the bonus round directly instead of waiting for three scatters in the base game. At a NZ$2 bet, this paid feature costs NZ$200 and starts you with 10 Free Spins and the collection multiplier ready.
RTP is the average amount a slot returns over a very large number of spins, calculated across millions of plays. The figure here applies to the standard game and when you purchase Free Spins.
Bonus arrival stays random. The Free Spins bonus arrives randomly during base-game play. No pattern or timing tells you when it will land, and some sessions may not trigger it at all.
Will I win in my session? Your session result is determined by chance, regardless of the RTP. Two players wagering the same amount may see completely different outcomes over the same timeframe.
The ceiling is reached rarely. The maximum win of NZ$1,250,000 is a ceiling reached extremely rarely. Most sessions end far below this figure, and many end with a loss.
You're ready to start but want to clarify how this slot works and what it pays
Bankroll before reels. Decide how much you can afford to lose in this session and stick to it. A budget you set in advance keeps your spending predictable and stops chase losses.
Exit plan after a win. Plan when you will walk away, whether you are ahead or behind. Wins can feel like a reason to keep playing, but your exit plan protects your money.
Can limits really protect you? Use the deposit and loss limits in your Roby Casino account. These tools enforce the boundaries you set so you stay within your budget.
Stop when the fun ends. Take a break or use self-exclusion if Big Bass Splash stops being fun. When play feels urgent rather than enjoyable, that is the signal to pause.
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