Thinking about giving Book of Knights a spin? We tested it thoroughly so you know what to expect. 1spin4win are the provider behind it, tuning the title for very high variance, with an RTP of 97.14%. Expect a hit frequency around 30%, which sets the rhythm of play. Top wins are capped at 5,000x your stake, a healthy ceiling worth chasing. You get a 5-reel grid running 10 paylines, all built around a book of theme. So does it deliver? Let's get into it.
Written by Daniel Chen · Last updated: March 2026
This release, Book of Knights, is the work of 1spin4win, wrapped in a book of theme and powered by a 5-reel grid running 10 paylines. The result is a very high-variance maths model paired with a published RTP of 97.14%.
Where Book of Knights earns its keep is the feature set. Look out for scatter symbols that unlock free spins and extra bonus rounds. With very high variance, this one is aimed at players who can ride out the swings for the top wins. Overall it's a well-rounded release that knows what it is.
At 97.14%, this slot offers an excellent return to player rate, well above the industry average of ~96%. This makes it one of the more generous slots available in terms of long-term payout potential.
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.
Book of Knights 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 Knights by 1spin4win is a solid offering that delivers good entertainment value. The 97.14% RTP combined with very high volatility creates a well-balanced gaming experience.