Our review of Book of Muertos cuts through the marketing and looks at what matters: how it plays and how it pays. This is a Spinomenal slot, sitting firmly in the medium low variance bracket and paying back an RTP of 95.95%. Originally released in 2022, it has aged well. Top wins are capped at 5,000x your stake, a healthy ceiling worth chasing. Visually it's leaning into a day of the dead and horror aesthetic, with the action running on 5 reels and 40 paylines. The full verdict is below.
Written by Sarah Mitchell · Last updated: February 2026
Book of Muertos comes to us from Spinomenal, themed around day of the dead and horror and powered by a 5-reel grid running 40 paylines. The result is medium low volatility paired with a return-to-player rate of 95.95%.
Dig into the bonuses and Book of Muertos starts to stand out. 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. All told, it's a solid entry in the Spinomenal catalogue.
At 95.95%, 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.
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 Muertos 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 Muertos by Spinomenal is a solid offering that delivers good entertainment value. The 95.95% RTP combined with medium low volatility creates a well-balanced gaming experience.