Building on the success of the original Book of Ra, it is now common to find the best online casinos offering the deluxe version of this popular slot machine. Book of Ra is primarily about the ancient pyramids and Egyptian pharaohs, but it is only with regard to design. Every aspect of the Book of Ra Deluxe is about winning a king’s fortune and users play Book of Ra Deluxe online for real money. The game requires users to match at least five symbols across the reels. Apart from providing the basic wins, the game has improved in terms of bonus features.