The "Book of Ra" is a popular video slot game developed by Novomatic. It is themed around ancient Egyptian mythology and features symbols such as pharaohs, scarabs, and treasures. Players aim to align these symbols on the reels to win prizes, with the Book of Ra symbol acting as both a wild and a scatter, triggering bonus features. The game is known for its engaging gameplay and the potential for significant payouts, especially during the free spins feature. Its popularity has led to various sequels and adaptations, making it a staple in both online and land-based casinos worldwide.