Based on the older Novomatic favourite Book of Ra this 5 reel, 10 pay line slot game is based on a similar character to that of Indiana Hones the Egyptian style. Online Slot Game. ✚ £ Casino Bonus ✓ Licensed in UK ✓ Premium Slot Machines ➤ Play now! Play Book of Ra ™ deluxe for Free. 4 1 5 Play Book. Free Book of Ra Deluxe online slot in your web browser. Book of Ra Deluxe casino game from Novomatic just for fun or find the best online casinos and play.