Searching for an honest Book Of Spells review before you commit real money? You're in the right place. Built by Tom Horn Gaming, it lands as a game with high volatility and a return-to-player rate of 94.96%. Visually it's built around a halloween and magic theme, with the action running on 25 paylines across 5 reels. It first went live in 2019 and still earns its place today. The maximum win sits at 250,000x, so there's serious upside on the table. So does it deliver? Let's get into it.
Written by Sophie Williams · Last updated: January 2026
At its core, Book Of Spells is a release produced by Tom Horn Gaming, leaning into a halloween and magic aesthetic and powered by 5 reels and 25 paylines. The result is a high volatility profile paired with a published RTP of 94.96%.
Dig into the bonuses and Book Of Spells starts to stand out. Look out for scatter symbols that unlock free spins and extra bonus rounds. With high variance, this one is aimed at players who can ride out the swings for the top wins. All told, it's a solid entry in the Tom Horn Gaming catalogue.
The RTP of 94.96% is below the industry average of ~96%. This is common for older slots or those with special features. The lower RTP may be offset by unique mechanics or higher maximum win potential.
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 Spells 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 Spells by Tom Horn Gaming is a solid offering that delivers good entertainment value. The 94.96% RTP combined with high volatility creates a well-balanced gaming experience.