Overview

Book of 99 by Relax Gaming is not your typical “Book of” slot. With an unprecedented **99% Return to Player (RTP)**, this game rewrites the rules and delivers one of the most rewarding experiences on the reels. Set against a mythical Greek backdrop, the slot features legendary heroes and hidden secrets tucked away in ancient tomes.

It combines beautiful artwork, immersive sound design, and a simple yet powerful feature set to give players consistent engagement and excellent value.

Key Features

• 99% RTP: Among the highest of any real-money slot game.
• Free Spins: Triggered by 3 book symbols, awarding 10 spins with expanding symbols.
• Symbol Collection: Collect 99 wilds to trigger free spins automatically.
• Expanding Symbols: Chosen symbol expands during free spins for massive win potential.

Graphics & Sound

The slot features hand-drawn Greek heroes and temple settings, animated with grace and backed by an epic orchestral soundtrack. The book symbol shines golden with ancient runes, building a sense of legend and mystery that fits the theme perfectly.

Why Play Book of 99?

If you’re a fan of high-RTP slots with straightforward but satisfying gameplay mechanics, Book of 99 is your next must-play. Whether you’re spinning for free spins or collecting wilds, this slot is a standout on both desktop and mobile.

🔗 Official PlayZada Website
🎮 Play Book of 99 Now
📚 Relax Gaming – Book of 99

🔞 18+ Only | Bet Responsibly
⚠️ This game involves an element of financial risk and may be addictive. Please play responsibly.
📜 Terms and Conditions apply. Available only where legally permitted.