Book of 99 Slot
A MASSIVE RTP of 99% really sets this game apart RTP blows most other slots out of the water It's a shame they didn't do more with the features Book of 99 slot from Relax Gaming is, as you might have guessed from the title, another ‘expanding symbol’ slot that is trying to compete with the likes of Book of Dead from PlayNGo, one of the most popular slots of all time. It’s no…
A MASSIVE RTP of 99% really sets this game apart…