Book of Immortals has been catching plenty of attention, so we put it through its paces to see how it really holds up. Developed by iSoftBet, Book of Immortals arrives with low variance and an RTP of 95.99%. The maximum win sits at 1,500x, keeping expectations grounded but fair. It's themed around book of and egyptian and plays out on 5 reels and 25 paylines. Originally released in 2020, it has aged well. But is it actually worth playing? Read on.
Written by Daniel Chen · Last updated: February 2026
This slot, Book of Immortals, is the work of iSoftBet, themed around book of and egyptian and powered by 5 reels and 25 paylines. The result is a low-variance maths model paired with a return-to-player rate of 95.99%.
Where Book of Immortals earns its keep is the feature set. Look out for scatter symbols that unlock free spins and extra bonus rounds. Thanks to its low variance, wins come often enough to suit casual, lower-risk play. On balance, Book of Immortals is a dependable option worth a few spins in the demo first.
At 95.99%, 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.
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.
Book of Immortals 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 Immortals by iSoftBet is a solid offering that delivers good entertainment value. The 95.99% RTP combined with low volatility creates a well-balanced gaming experience.