


RTP
96.0%
Volatility
Medium/High
Max Win
3,069x
Mutant Trawlers is a medium/high-volatility online slot from Bang Bang Games with an RTP of 96.00% and a maximum win of 3,069x.
Page updated July 2026
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Mutant Trawlers from Bang Bang Games is a separate release of the same radioactive fishing concept, set against a once-peaceful lake now poisoned by a leaking nuclear plant nearby. Rather than another sun-drenched fishing theme, this version leans hard into grotesque, mutated wildlife and a genuinely eerie wasteland backdrop.
The setting does a lot of the heavy lifting here — glowing green water, twisted mutant fish and industrial decay replace the usual calm-river fishing slot furniture, giving the game a distinct visual identity within its genre. It plays out on a 5-reel grid using 243 ways to win, with regular wins formed by landing matching symbols on adjacent reels from the leftmost side. A Bonus Boost option is available that doubles the odds of triggering free spins in exchange for a 50% increase to the stake, alongside a separate bonus buy route for players who'd rather skip straight to the feature.
This version carries a return to player of 96.0%, a noticeably stronger figure than some of the format's other configurations and comfortably at the healthy end of the market. It's a solid number to plan a session around, and one of the more reassuring stats on offer here for players weighing up long-run value.
Volatility is rated medium/high, sitting in a sensible middle ground — enough unpredictability to keep things interesting without tipping into feast-or-famine territory. The published hit frequency of 27.78% is a genuinely useful number here, meaning winning combinations land on roughly one in every 3.6 spins, giving a reasonably steady drip of action between the bigger swings.
The maximum win sits at 3,069x the stake, matching the ceiling on other versions of this title and offering a serious, if not astronomical, payout target. Stakes run from 0.20 up to 40 per spin, keeping the game accessible across a wide range of bankrolls, particularly with the optional Bonus Boost feature giving players a way to actively push for the bonus round rather than waiting it out.
This Bang Bang Games release of Mutant Trawlers backs up its striking mutated-wasteland theme with genuinely useful stats — a strong 96.0% RTP, a workable hit frequency just shy of 28%, and medium/high volatility that keeps sessions engaging without excessive swings. Between the Bonus Boost mechanic and the 3,069x ceiling, there's enough here to reward a proper play session. Worth loading the free demo at johnessyslots first to see the mutated reels in motion before playing with real stakes.
Mutant Trawlers has an RTP (return to player) of 96.00%. RTP is the theoretical percentage of total stakes a slot returns to players over a very large number of spins, as published by Bang Bang Games — individual sessions can land far above or below it.
Mutant Trawlers is rated medium/high volatility. High-volatility slots pay out less often, but wins tend to be bigger when they land — expect longer dry spells and larger swings to your balance.
The advertised maximum win for Mutant Trawlers is 3,069x. Max wins are extremely rare by design — treat them as a ceiling, not an expectation.
Mutant Trawlers is developed by Bang Bang Games and was released in May 15, 2024.
Specs compiled from provider data