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Book of Helios by BetSoft is a five-reel, 10-payline video slot released on 30 June 2022. Set in a Greek mythology theme, it follows Olivia Brave inside the temple of Helios, with high volatility and an RTP of 95.58%.
The main special symbol is the book, which acts as both Wild and Scatter. Three book symbols trigger 10 free spins, while the free spins round uses a randomly selected expanding symbol that can cover a full reel. During the feature, book symbols also expand and can reveal multipliers from 1x to 5x.
This demo version lets players play for free and practice before playing for real money. The game’s maximum win is listed at 20,168x the bet, and the buy feature provides direct access to the free spins round.
