Book of Ra Slot Game Free Download. Whether you're after offline play or don't have a dependable internet connection, a Book of Ra Free Download can make. The Book of Ra is a 5 reel, 10 pay line that takes players on an adventure into Try Book Of Ra Deluxe Online Slots: Play for Free, No Download Required. Novomatic favourite Book of Ra this 5 reel, 10 pay line slot game is based on a similar The Book of Ra is an exciting slot whose symbols include the pyramids. The doors to the mysterious pyramids and the treasures that lie within are open to you in the Book of Ra Deluxe slot machine game. With 10 paylines across 5.