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Play Book of Ruby for Free
Spinomenal
4
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Book of Ruby Slot Review
Enjoy a true gem of a slot game when you spin the Book of Ruby online slot. Play the retro bet to apply up to 5x multipliers to winning combos. Land the scatter symbols to trigger free spins with expanding symbols. Spin for free or play Book of Ruby at the best real money casinos.
Game Info
Provider
Spinomenal
Autoplay
Bonus Buy
Bonus Rounds
Cascading Reels/Avalanche Feature
Cluster Pays
Expanding
Free Spins
Gamble
Jackpot Slots
Megaways
Mobile
Multiplier Symbols
Mystery
Scatter Symbols
Spreading
Stacked
Sticky
Number of Paylines
10
Layout
Min Bet
1
Max Bet
100
Release Date
9/27/2022
Last Update
1/9/2026
About Spinomenal Game Provider
Spinomenal is a global leader in the gaming industry, specializing in the design, development, and distribution of gaming machines, lottery systems, and digital gaming solutions. With a diverse portfolio of innovative products, IGT offers casino games, slot machines, sports betting, and iGaming platforms. The company is known for integrating cutting-edge technology with a commitment to player experience, providing solutions for both land-based and online gaming operators.
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Spin Five Reels on Mobile, Tablet, or Desktop
The Book of Ruby slot machine is a jewel-themed slot game by Spinomenal, a software provider that likes to keep players interested with top themes and features. Hit winning combos by filling five reels with gems and poker cards. Land the book scatter symbols to trigger free spins with expanding symbols when you play Book of Ruby on mobile, tablet, or desktop.
Play the Retro Bet to Apply Multipliers
Bet 1-100 coins a spin when you play Book of Ruby slot online and hit winning combos on ten paylines. You can win prizes by lining up three to five matching symbols, while wild books substitute for the base game symbols to create more winning combos. Add the retro bet to your staking plan to apply a 1x-5x multiplier to all winning combos when you play Book of Ruby at the best real money casinos.
Trigger Free Spins with Expanding Symbols
Land three, four, or five scatter symbols, and you’ll trigger ten free spins with expanding symbols. Winning combos pay out, then the mystery symbols expand before paying out more prizes. Multipliers are applied to all feature wins if free spins are triggered when playing the retro bet. Spin the Book of Ruby online slot at the best new slots sites.
Symbols
Top Prizes /Features
Book Scatter Symbols
500x + 10 Free Spins
Gems
400 – 1,000
J - A
100-150
Discover Different Kinds of Rubies
Once you’ve played the Book of Ruby slot machine, play more exciting slot games. Trigger free spins and an expand and split feature when you play Ruby Hood by Spadegaming.
Activate top features like bonus cash pot respins when you play Ruby Hunter by Kalamba Games.
Play a True Gem
Now you’ve read our Book of Ruby review, spin this true gem at the best online slot sites. Apply 5x multipliers to winning combos by playing the retro bet. Land the book scatter symbols to play free spins with expanding symbols.
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