Players report that Book of Gods Extra offers an engaging experience typical of Co's slot offerings, with a thematic focus on ancient deities and mystical adventures. The game features a standard layout with 5 reels and a variety of symbols that draw players into the mythological world. Many players appreciate the extra features that enhance gameplay, including expanding wilds and a free spins round that can be triggered by landing specific scatter symbols. The community finds the win potential to be decent, with players often hitting modest payouts, though some may feel that the maximum win could be higher. Overall, the game provides a balanced mix of entertainment and potential rewards, making it a worthwhile choice for fans of the genre.