You can compere. This amazing symbol expands to cover 3 positions on the reel that will increase your winning potentials. Finding at least three of the Book of Ra unlocks 10 free games after your round is complete. Every winningspin can be gambled for a chance to double it if players are feeling very lucky. It is one of the best known in the industry. Register an account to begin your playtime! Who remembers the original Book of Ra slot? Book of Ra slot is programmed to deliver attractive payouts standing.99 of the money fed into the slot machine, no matter if. Bonus Games, unlike some of the more modern slot machines the Book of Ra online slots don't really come with any bonus games for players to participate. In other words, all the winnings from the free spins will be doubled! The Book of Ra has up to nine different Betting Lines to choose from and allows players to bet up to nine credits for each line. This feature is activated by the Gamble button. There isnt a fixed number of playlines in this game with a player being allowed to activate 9 play lines or 10 depending on the version of the game they are playing. Book Of Ra Slot Machine Review.