Players report that 'Book of Aztec' by Amatic offers an engaging experience with a classic Egyptian theme that many find appealing. The slot features a standard 5x3 reel layout with 10 paylines, which provides a familiar setup for fans of the genre. The community finds that the standout feature is the free spins bonus, activated by landing three or more scatter symbols, which not only grants additional spins but also has a special expanding symbol mechanic that can lead to significant wins. Players appreciate the medium volatility of the game, allowing for a balanced mix of smaller, frequent wins and the potential for larger payouts during the bonus rounds. However, some users note that the aesthetics, while charming, may feel dated compared to newer releases, and the sound effects can be repetitive over time, slightly detracting from the overall experience. Overall, many players enjoy the nostalgic feel and solid gameplay, making 'Book of Aztec' a popular choice among fans of Amatic's offerings.