It is designed and produced by the one and only Novomatic. If your choice matches the suit of the dealers card, your winnings will double. During them, additional bonus icons appear on the screen. Features, the randomly selected symbol willexpand on a reel during the free spins. They can only be used to play this game. The combination of 3 or more book symbols on the reels starts a series of at least 10 free spins. You will the standard jackpot when you land 5 Explorer symbols in a line, but only when playing at maximum bet on all paylines. That said, the minimum coin size.05 and the maximum coin value you can set. It has a pretty high return to player which makes the game a whole lot more interesting in general. Succeed, and you doubled your winnings this round. It gets you excited and makes you aware that you are actually playing a game. The mobile gaming hit now in your browser! Give it a try, it might become your favorite game too. The, book of Ra is the key to activating the free spins bonus round. When 3 or more land on the reels, 10 free spins will unlock and an expanding wild will greet you at the onset of the free spins. Play the Book of Ra slot for free. The game machine is developed by Novomatic.