Book of Ruby: A Retro Gaming Gem for High-Volatility Thrills
Game Theme and Visual Design
Book of Ruby opts for a minimalist, almost nostalgic design. The reels are set against a deep, dark background that makes the symbols pop with clarity. The symbols themselves are a mix of classic playing card icons (10, J, Q, K, A) styled with a simple elegance, and higher-paying thematic icons like a scarab beetle, a pharaoh's mask, and an eagle. The star of the show, the Book of Ruby itself, acts as both the Wild and Scatter symbol. The overall audio complements the visuals with subtle, mysterious tunes and satisfying spin sounds, creating an atmosphere focused on the gameplay rather than overwhelming spectacle. It's a refreshing take for players who appreciate a clear, uncluttered interface.
How to Play Book of Ruby: Rules and Paytable
Getting started with Book of Ruby is intuitive. The goal is to land matching symbols on consecutive reels from the leftmost side across any of the 20 fixed paylines. Before spinning, you can adjust your total bet using the coin value and bet level controls. The highest paying standard symbol is the pharaoh's mask, followed by the eagle and the scarab. The Book symbol is the most valuable, but it also holds the key to the game's main feature. As with all high-volatility slots, managing your balance is crucial, as wins can be spaced out but have the potential to be substantial when they hit.
Special Features and Bonus Rounds
The excitement in Book of Ruby centers on its special features, which are classic to the genre but executed effectively.
Expanding Symbol (Free Spins Feature): Landing three or more Book Scatter symbols anywhere on the reels triggers 10 free spins. Before the free spins round begins, one regular symbol is randomly chosen to become a special expanding symbol. During the free spins, if this chosen symbol appears in sufficient numbers to form a win, it will expand to cover the entire reel, potentially creating multiple high-paying combinations. This is where the game's high-volatility nature truly shines, as a full screen of an expanding symbol can lead to massive payouts.
Gamble Feature: After any standard win, players have the option to gamble their winnings in a classic double-or-nothing card guess game. This feature allows for risk-taking players to potentially increase their payout, but it also carries the chance of losing the win entirely.
Betting Range, Volatility, and RTP
Book of Ruby offers a versatile betting range from a minimum of €0.10 up to a maximum of €100 per spin, making it accessible for players with various budgets. The game is classified as high volatility. This means the gameplay is characterized by less frequent but potentially larger wins compared to low or medium volatility slots. Players should be prepared for periods of base game spins without significant wins, with the expectation that the free spins feature is the primary source of big payouts. The Return to Player (RTP) percentage for this specific title is not published by the provider, which is a factor players may wish to consider when choosing a game.
How Book of Ruby Compares to Other Slots
Fans of the popular "Book of" series from other providers will feel right at home with Book of Ruby. It follows the proven blueprint closely. Compared to other BTG Megaways slots, which offer thousands of ways to win and cascading reels, Book of Ruby is a more traditional, simpler experience focused on a single, impactful bonus round. Within Retro Gaming's own portfolio, it shares thematic elements with adventure-style games but stands out for its high-risk, high-reward mechanics. If you enjoy the core "expanding symbol" free spins feature, you might also like exploring other themed games from the provider, such as Retro Wild Love or the festive Piggy Bank Twins Xmas Edition.
Pros and Cons of Playing Book of Ruby
Here’s a balanced look at Book of Ruby:
- Pros: Simple, easy-to-understand gameplay perfect for both beginners and veterans. The high volatility and expanding symbol feature offer the potential for very large wins. The wide betting range accommodates all player types. Clean, retro visual design avoids unnecessary clutter.
- Cons: The RTP is not publicly available, which may deter some informed players. The theme and mechanics are very similar to many other "Book of" slots, offering little innovation. The high volatility can lead to extended dry spells, which may not suit players with smaller balances or a preference for frequent, smaller wins.
Tips for Playing the Book of Ruby Demo
Playing the free demo version of Book of Ruby on Slottomat is the perfect way to develop a strategy risk-free. Use this opportunity to understand how often the free spins feature triggers and get a feel for the game's rhythm. Since it's a high-volatility slot, note that bonus rounds may be infrequent even in a demo session. Test the full range of bet sizes to see how they affect your virtual balance over time. Remember, the demo is for fun and learning—enjoy the thrill of the expanding symbols without any financial pressure. It's also a great way to sample the Retro Gaming style before trying their other titles like Red Hot Fruits or Retro Gifts.