The next bonus is the gamble feature, and this works just like the other gamble features you know. Book of Ra is one of the most popular and entertaining casino games. You will also need to set the size ofthe coin between per spin. It is one of the most sought-after games of the century. What are the differences between the Book of Ra Deluxe and classic? When you win, you are given the chance to predict the color of a face-down card. Though this slot machine is a high volatile type, it gives huge payouts. It was launched in 2014, and it has a very high level of volatility. The features are lively and nostalgic for traditional casino lovers, the payout and bonuses arent bad, and the gameplay is very simple and rich. When you are through with the Book of Ra protocols, you can hit the spin or play button. The next bonus feature here is the gamble feature. The scatter symbol is represented by the book here. Now, besides the differences that come with the bonuses offered by these casinos, there are no fundamental changes or differences. They kept churning out updated and innovated editions, till it got to the Book of Ra Deluxe online in 2008. Seriousness, Security, and Payment Options of Book. Information about Bonuses, Special Available Options, Benefits Features.