Book of Mystery Deluxe free spins and demo play - Promatic Games slots

This online video slot is a five-reel game with ten paylines and a mystery book theme. The symbols are cherries, lemons, plums, watermelons, bells, and bars. The diamond book is the wild symbol that can complete winning combinations. The scatter symbol is a diamond. When three or more appear in a payline, you will win. The symbols also serve as the scatter and trigger the Free Spins Feature.

The Book of Diamonds slot has a 95.9% Return-to-player (RTP) - a measure of how often a slot will pay out. This is pretty average in the online gaming world, and it makes for a good game if you enjoy classic and innovative slots. The Book of Gems symbol is a Wild, while the Scatter is a scatter. If three or more of the scattered symbols appear anywhere on the reels, you will win. The Free Spins feature will award you with free spins, allowing you to re-trigger it.

If you enjoy the theme and style of fruit slot machines, you'll enjoy playing Book of Diamonds. The game has a retro, book-inspired theme and has a high RTP of 95.9%. It also features a turbo spin mode and auto-play. If you'd like to play Book of Diams without the hassle, you can play it for free in demo mode. By playing it for free, you'll be able to judge whether or not it's profitable to keep playing.

Book of Mystery Deluxe demo
User Rating: 5/5 (6 votes)


Provider Promatic Games
Category Free Slots Online
Release 12.01.2019
RTP 96.24%
Variance LOW
Max Win 500000
Min bet (Max bet) $, €, £ 1( 1000 )
Layout 5-3
Game type Video Slots
Paylines 10
FreeSpins, Scatter symbols, Wild, Expanding Symbols, Risk/Gamble (Double) game, Book of ... mechanic
Theme Ancient civilizations
Desktop, Tablet, Mobile
Technology JS, HTML5
Last Update 26.10.2021

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