Our review of Book of The Jungle cuts through the marketing and looks at what matters: how it plays and how it pays. This is a Retro Gaming release, sitting firmly in the high variance bracket and paying back a published RTP of 95.2%. It's dressed up with a book of theme and plays out on a 5-reel grid running 40 paylines. Dating back to 2020, it remains a regular pick. If everything lines up, Book of The Jungle can pay up to 5,000x your bet. Here's how it stacks up.
Written by Sophie Williams · Last updated: February 2026
This title, Book of The Jungle, is the work of Retro Gaming, leaning into a book of aesthetic. It runs on a 5-reel grid running 40 paylines with a high-variance maths model, and 95.2% RTP.
The mechanics are what make Book of The Jungle interesting. Look out for scatter symbols that unlock free spins and extra bonus rounds. The high volatility means patience is rewarded — expect quiet spells broken by bigger hits. On balance, Book of The Jungle is a dependable option worth a few spins in the demo first.
At 95.2%, 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.
High volatility means longer gaps between wins, but when wins do land, they can be significantly larger. A bigger bankroll and patience are recommended for this type of slot.
About 1 in 3 spins results in a win. This is a moderate hit frequency that balances win frequency with payout size.
Book of The Jungle 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 The Jungle by Retro Gaming is a solid offering that delivers good entertainment value. The 95.2% RTP combined with high volatility creates a well-balanced gaming experience.