Book of 8 Riches by Ruby Play brings a fresh spin to the well-loved “Book of” slot format. It still leans into the familiar Egyptian treasure-hunting theme, but the big hook here is that it doesn’t just give you one expanding symbol in the bonus—it gives you up to eight.
The game plays on a 5×3 grid with 10 paylines, sticking close to the traditional formula. The Book symbol acts as both Wild and Scatter, and hitting three or more of them triggers the Free Spins bonus round. Where this game stands out is that instead of selecting one expanding symbol, you can unlock up to eight of them, creating massive win potential across the reels.
During the free spins, when those chosen symbols appear, they expand to cover the reels, regardless of whether they land on adjacent paylines. And if you manage to retrigger the feature, you’ll unlock more expanding symbols, up to the full eight. This twist keeps the action feeling more layered than a typical Book-style slot.
With an RTP of 96.90% and high volatility, Book of 8 Riches is built for thrill seekers. The max win is around x5,000 your stake, which is respectable, but some newer Book-style slots push it even further. Still, the potential for full-screen expanding symbols makes every bonus round feel like it could explode.
