Book of 99 from Relax Gaming

Game Review

Discover ancient secrets and maximize your returns in Book of 99, a legendary casino game from Relax Gaming! This innovative slot revitalizes the classic “Book of” genre with an exceptionally high RTP and a unique collection mechanic. Transporting players to ancient Greece, a classic 5-reel, 3-row grid offers rewarding Free Spins featuring expanding symbols, and the potential for colossal rewards up to 5,000x. Let Book of 99 be your guide to legendary wins!

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Game Information & Statistics

Theme, Graphics, and Symbols

Book of 99 transports players to the majestic world of ancient Greece, with towering temples and a dramatic sky filled with mythological figures. The game’s visual design is inspired by the legendary tale of Odysseus and the Cyclops, creating an epic and adventurous atmosphere. The classic 5-reel, 3-row grid is set against a backdrop of ancient ruins. Graphics are high-quality, bringing the iconic Greek symbols to life with intricate details and vibrant colors. Animations are fluid and engaging, especially when Wilds are collected and expanding symbols fill the reels, enhancing the immersive classic slot experience.

The soundtrack features a heroic and dramatic orchestral score with ancient Greek flourishes, perfectly complementing the theme of mythological quests. Sound effects for spins, wins, and feature triggers are impactful, further immersing players in this captivating casino game.

Symbols and Payouts

• Regular Symbols: Lower-paying symbols are represented by stylized playing card royals (10, J, Q, K, A), designed to look like ancient carvings. Higher-paying symbols feature various Greek mythological icons like vases, statues, a cyclops, and Odysseus. Odysseus is typically the highest-paying regular symbol, offering up to 500x for five-of-a-kind.
• Special Symbols:
• Book of 99 Symbol (Wild/Scatter): The golden Book of 99 acts as both the Wild and Scatter. As a Wild, it substitutes for all other symbols. As a Scatter, landing 3 or more triggers 10 Free Spins.
• Wild Collection Meter: A meter on the left side of the screen collects Wild symbols that land on the reels. Collecting 99 Wilds guarantees the Free Spins bonus.
• Expanding Symbol: During Free Spins, a randomly chosen regular symbol expands to fill entire reels for bigger wins.

How to Play Book of 99 and Its Bonus Features

How to Play Book of 99

To embark on your legendary quest in this exciting casino game, first select your desired bet size, ranging from $0.10 to $100 per spin. Once your wager is set, hit the “Spin” button to set the 5 reels and 3 rows in motion. Wins are formed by landing 3 or more matching symbols on any of the 10 fixed paylines, starting from the leftmost reel. We highly recommend trying the Book of 99 free slot machine demo mode available on our site to familiarize yourself with its unique Wild Collection and Free Spins features with expanding symbols without any financial risk. This mobile slot is fully optimized for all devices, ensuring a seamless and thrilling gaming experience on the go. Discover ancient secrets and maximize your returns today!

Bonus Features and Mechanics

Book of 99 is packed with dynamic bonus features designed to help you discover colossal rewards:

• Wild Collection & Guaranteed Free Spins: All Wild symbols that land on the reels are collected in a meter on the left side of the screen. Once you collect 99 Wild symbols, the Free Spins bonus round is guaranteed to trigger, offering an alternative path to the feature besides landing Scatters.
• Free Spins: Landing 3 or more Book of 99 symbols (acting as Scatters) anywhere on the reels awards 10 free spins. Before the Free Spins begin, one random regular symbol is chosen to become the special Expanding Symbol for the duration of the round. When enough of this special symbol lands on different reels, they will expand to cover their entire reels, paying out regardless of their position. This greatly increases the potential for massive full-screen wins. The Free Spins can be re-triggered by landing 3 or more Book of 99 symbols during the bonus round.
• Wild Symbol (Book of 99): The Book of 99 symbol acts as both a Wild, substituting for all other symbols, and a Scatter, triggering Free Spins. Its dual function makes it highly valuable.

Understanding RTP and Volatility in Book of 99

Book of 99 features an exceptional RTP (Return to Player) of 99.00%, which is one of the highest in the online slot market and significantly above the industry average. This makes it an extremely attractive high RTP slot choice for casino games, offering a generous balance between entertainment and the possibility of player returns over the long term. This high RTP means a very low house edge, making it highly favorable for players.

The game operates with High volatility. This indicates that while wins may not occur very frequently, when they do, they have the potential to be very substantial, with a max win of 5,000x your stake. High volatility slots are particularly appealing to players who enjoy the thrill of significant payouts and are prepared for longer periods between returns. With a hit frequency of 23.85%, meaning a win occurs approximately once every 4.19 spins, it offers a challenging but potentially very rewarding casino game experience, ideal for those seeking legendary wins.

Our Verdict on Book of 99

Book of 99 is an outstanding casino game that revitalizes the popular “Book of” genre with its exceptionally high RTP and innovative Wild collection mechanic. Relax Gaming has delivered a visually stunning and feature-rich classic slot, where the epic Ancient Greek theme and the highly rewarding Free Spins with expanding symbols create dynamic and thrilling gameplay. The impressive 99.00% RTP and high volatility ensure a challenging yet potentially extremely rewarding ride, making it a top-tier choice for players who appreciate strong themes and high-stakes action in a mobile slot. It’s a must-play for any slot enthusiast looking for a game that truly gives back!

Suitable for: Players who enjoy “Book of…” style slots, those seeking a very high RTP, and high-risk, high-reward seekers looking for a challenging mobile slot experience.

Tips & Strategy

Tips for Playing Book of 99

• Master the Demo: Utilize the Book of 99 free slot machine demo to thoroughly understand the Wild Collection mechanic and how the expanding symbols work in the Free Spins round before playing with real money.
• Bankroll Management for High Volatility: Given the high volatility, it’s crucial to set a strict budget and manage your bankroll carefully. Smaller bets over a longer period might be more effective in hitting the lucrative Free Spins.
• Watch the Wild Collection Meter: Keeping an eye on the Wild Collection meter can build anticipation for the guaranteed Free Spins trigger.
• Understand Expanding Symbols: In Free Spins, the chosen expanding symbol is key to massive payouts, especially if it’s a high-paying symbol and you get a full screen.

Book of 99 FAQ

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