Thinking about giving Book of Witches a spin? We tested it thoroughly so you know what to expect. Developed by ThunderSpin, Book of Witches arrives with medium low variance and a return-to-player rate of 95.89%. Expect a hit frequency around 29.97%, which sets the rhythm of play. Top wins are capped at 1,000x your stake, a respectable ceiling for the format. You get 25 paylines across 5 reels, all themed around halloween and magic. The full verdict is below.
Written by Sarah Mitchell · Last updated: February 2026
Book of Witches is a slot game from ThunderSpin, themed around halloween and magic and powered by 25 paylines across 5 reels. The result is a medium low-variance maths model paired with an RTP of 95.89%.
Where Book of Witches earns its keep is the feature set. Look out for scatter symbols that unlock free spins and extra bonus rounds. Thanks to its medium low variance, wins come often enough to suit casual, lower-risk play. Overall it's a straightforward slot game that knows what it is.
At 95.89%, the RTP is slightly below the industry average of ~96%. While this is typical for many popular slots, players should be aware of the slightly lower theoretical return.
Medium-low volatility offers a good balance of regular wins with occasional larger payouts. Expect frequent hits with modest amounts, suitable for casual players who want low-risk entertainment.
About 1 in 3 spins results in a win. This is a moderate hit frequency that balances win frequency with payout size.
Book of Witches 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 — Average
Book of Witches by ThunderSpin provides a straightforward slot experience. While it may not break new ground, it offers medium low volatility gameplay that will appeal to certain player preferences.