Book of Poseidon by Booming Games is a slot game featuring the well-known Book mechanic, played on a familiar grid with fixed paylines. It includes features such as unlimited free spins, expanding symbols, and a gamble option. The book symbol acts as both wild and scatter, triggering free spins and substituting other symbols. During free spins, a random symbol is selected to expand, potentially covering many reel positions.

The game is set in Poseidon's underwater realm, showcasing visually appealing symbols but a lackluster background. The soundtrack is orchestral yet generic, not significantly enhancing the gaming experience. For those interested in the theme, Red Tiger Gaming offers a comparable slot, Hoard of Poseidon.

Book of Poseidon has a modest RTP and high variance, requiring player patience. The game is straightforward to navigate, with a comprehensive menu that details game rules, paytables, and special features. Players can set their wagers, activate turbo spins, and use autospin for a customizable experience.

Despite its attractive design, the game lacks innovation and substantial rewards. The high variance and limited maximum win may discourage some players; thus, trying the demo version on Amerio.bet is recommended before betting real money. The game could benefit from more advanced features to distinguish itself in a competitive market.