100% Swiss 
Book of Ra Deluxe - Online Slot Machine
Join him as he searches for treasure and the mysterious book deep in the tombs of the pyramids. Everything players loved about the classic Book of Ra™ slot is here, along with an increase in win lines and even better winning chances. Find the book to unlock the thrilling Free Games feature with Expanding Symbols and have an unforgettable adventure in Book of Ra™ deluxe!
3 or more Book symbols on the reels trigger the Free Games feature with 10 Free Games. Before the feature begins, a special symbol is selected at random to be the Expanding Symbol for the duration of the Free Games.
The Gamble button will appear as soon as you have a win combination of at least two adjacent symbols from the left. In the Gamble Game you can double your winnings. Simply click the Gamble button and the game will begin. If you do not want to play the Gamble Game, you are free to carry on with the main game. Above the game screen you will be able to see the cards which you drew in the last six Gamble Games.
