Thinking about giving Big Bass Halloween a spin? We tested it thoroughly so you know what to expect. Built by Pragmatic Play, it lands as a release with very high volatility and a return-to-player rate of 96.24%. Originally released in 2023, it has aged well. The maximum win sits at 787,500x, so there's serious upside on the table. Visually it's themed around halloween and fish, with the action running on a 5-reel grid running 20 paylines. The full verdict is below.
Written by Michael Torres · Last updated: February 2026
Big Bass Halloween comes to us from Pragmatic Play. Presentation-wise it's dressed up with a halloween and fish theme, and it leans toward a very high-variance maths model at an RTP of 96.24%. Under the hood you'll find 5 reels and 20 paylines.
The mechanics are what make Big Bass Halloween interesting. Look out for scatter symbols that unlock free spins and extra bonus rounds. The very high volatility means patience is rewarded — expect quiet spells broken by bigger hits. On balance, Big Bass Halloween is a dependable option worth a few spins in the demo first.
The RTP of 96.24% is right around the industry average of ~96%. This represents a fair return that's in line with what most modern slots offer.
Very high volatility delivers the most extreme payout profile — long dry spells punctuated by potentially massive wins. Only recommended for experienced players with substantial bankrolls and high risk tolerance.
About 1 in 3 spins results in a win. This is a moderate hit frequency that balances win frequency with payout size.
Big Bass Halloween features scatter symbols that can trigger free spins rounds. Landing the required number of scatter symbols anywhere on the reels activates the free spins feature, giving you extra chances to win without additional bets. During free spins, special modifiers may apply to boost your winning potential.
3.0 / 5 — Good
Big Bass Halloween by Pragmatic Play is a solid offering that delivers good entertainment value. The 96.24% RTP combined with very high volatility creates a well-balanced gaming experience.