Welcome to our deep dive on Book of Coins — the demo, the maths, and whether it earns a spot in your rotation. Built by Spin Joy Games, it lands as a game with a medium low-variance maths model and 96.11% RTP. The maximum win sits at 5,000x, so there's serious upside on the table. It's given an engaging visual treatment and plays out on 10 paylines across 5 reels. Here's how it stacks up.
Written by Alex Crawford · Last updated: February 2026
Book of Coins is a slot game from Spin Joy Games, given an engaging visual treatment. It runs on a 5-reel grid running 10 paylines with medium low variance, and a return-to-player rate of 96.11%.
The mechanics are what make Book of Coins interesting. Look out for scatter symbols that unlock free spins and extra bonus rounds. The medium low volatility makes it forgiving on the bankroll, ideal for relaxed, longer sessions. Overall it's a well-rounded slot game that knows what it is.
The RTP of 96.11% is right around the industry average of ~96%. This represents a fair return that's in line with what most modern slots offer.
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 Coins 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 Coins by Spin Joy Games is a solid offering that delivers good entertainment value. The 96.11% RTP combined with medium low volatility creates a well-balanced gaming experience.