Welcome to our deep dive on Book of Keno — the demo, the maths, and whether it earns a spot in your rotation. This is a Evoplay slot game, sitting firmly in the a low-variance maths model bracket and paying back an RTP of 96.11%. You get a 5-reel grid running 40 paylines, all dressed up with a book of theme. Originally released in 2021, it has aged well. Top wins are capped at 5,000x your stake, a healthy ceiling worth chasing. Let's break down what works and what doesn't.
Written by Rachel Kim · Last updated: February 2026
Book of Keno is a game from Evoplay. Presentation-wise it's themed around book of, and it leans toward a low volatility profile at an RTP of 96.11%. Under the hood you'll find 5 reels and 40 paylines.
The low volatility makes it forgiving on the bankroll, ideal for relaxed, longer sessions. All told, it's a solid entry in the Evoplay catalogue.
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.
Low volatility means frequent small wins with less risk. This slot is ideal for players who prefer steady, consistent payouts and longer play sessions without dramatic bankroll swings.
About 1 in 3 spins results in a win. This is a moderate hit frequency that balances win frequency with payout size.
3.0 / 5 — Good
Book of Keno by Evoplay is a solid offering that delivers good entertainment value. The 96.11% RTP combined with low volatility creates a well-balanced gaming experience.