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Book slots with expanding symbols

The book formula: a single symbol that is wild and scatter at the same time, and free spins where one random symbol expands over entire reels.

#GameProviderRTPRTPMax win

Book of Ra started the format and Book of Dead carried it further. The editions differ in paylines, RTP versions and how many expanding symbols one bonus can hold.

How we rank: every value comes from our checked game database (in-game rules, provider sheets and the provider's own demo data). If a provider does not publish a value, the game is left off that list instead of being estimated.

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