If you're trying to work out whether Book of Darkness is worth your time, this hands-on review breaks it down. Built by Betsoft, it lands as a game with medium high variance and 96.13% RTP. It first went live in 2018 and still earns its place today. Visually it's themed around book of, with the action running on 5 reels and 40 paylines. Top wins are capped at 10,000x your stake, a genuinely massive ceiling for the patient. Let's break down what works and what doesn't.
Written by Sophie Williams · Last updated: March 2026
At its core, Book of Darkness is a title produced by Betsoft, leaning into a book of aesthetic. It runs on 5 reels and 40 paylines with a medium high-variance maths model, and an RTP of 96.13%.
Where Book of Darkness earns its keep is the feature set. Look out for scatter symbols that unlock free spins and extra bonus rounds. Its medium high variance balances steady wins with the odd larger payout. Overall it's a well-rounded title that knows what it is.
The RTP of 96.13% is right around the industry average of ~96%. This represents a fair return that's in line with what most modern slots offer.
Medium-high volatility means wins come less frequently but tend to be larger when they hit. Players should be prepared for dry spells between bigger wins, requiring a moderate bankroll.
About 1 in 3 spins results in a win. This is a moderate hit frequency that balances win frequency with payout size.
Book of Darkness 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
Book of Darkness by Betsoft is a solid offering that delivers good entertainment value. The 96.13% RTP combined with medium high volatility creates a well-balanced gaming experience.