SLOT // FREE DEMO
Book of Ultimate Infinity has not gone through our rig yet. When it does, the full recorded session appears here: balance curve, hit rate, best win and the longest dry streak, published next to the official RTP above. Until then this page carries Light & Wonder's own figures and a playable demo, and nothing of ours.
The RTP is 96.50%, which sits above the industry average of around 96%.
The maximum win is 5,000x the stake.
Yes, the free demo is available on this page to try the game without risk.
Book of Ultimate Infinity is a December 2020 release from Light & Wonder built around a grid that starts at 3x4 and can stretch all the way to 50x4. That structural ambition is the slot's calling card, though the execution is uneven.
The base game opens on a cramped 3x4 grid. The Expanding Grid mechanic means the playing field can grow beyond its starting size during play. Wilds substitute for standard symbols, and Scatter symbols count wherever they land.
Free Spins open a bonus round, and a retrigger can renew one. Expanding Symbols can cover whole reels, and Multipliers increase win values.
Book of Ultimate Infinity's 96.50% RTP sits above the 96% industry average. High volatility means sessions trend toward fewer hits with larger gaps between them; bankroll management matters here. The 5,000x max win represents a solid ceiling.
The Mythology, Gold, and Adventure theming points to ancient power, hidden knowledge, and the pursuit of valuable artifacts.
Book of Ultimate Infinity earns its 6/10 rating through genuine ambition that doesn't fully cohere. The 3x4 (up to 50x4) grid is a memorable structural hook, and the 96.50% RTP with 5,000x potential provides solid statistical backing. Yet the high volatility and constrained starting position will frustrate players seeking immediate engagement. This Light & Wonder slot suits patient players who appreciate an expanding grid and can tolerate variance. Try the free demo to gauge whether the slow-build tension matches your preferred pacing.