Introducing the Book of Ultimate Infinity: A Complete Overview
Next to have a shot with ReelPlay SG Digital brings the innovative Infinity Reels concept to the enchanting realm of Ancient Egypt with their Book of Ultimate Infinity slot. SG Digital is the third studio to employ this exciting mechanic, injecting a bit of nostalgia along with modern gameplay features such as a bonus round filled with expanding symbols chosen from an ancient book. This modern twist on the classic 'Book of' slots makes one wonder, does this formula work well?
Although the word 'modern' comes to mind, the setting is one nostalgically ancient, with the obligatory pyramids on the horizon, flanked by the Nile and adorned with palm trees and majestic temples. The classic Egyptian landscape is accompanied by a soothing Arabian soundtrack, creating a visually stunning yet familiar experience.
Book of Ultimate Infinity can be enjoyed on any device, with wagers ranging from 20 p/c to $/€50 per spin. This game demands patience, as landing the coveted free spins requires combatting through a dust storm of non-winning spins. Its volatility gives it thrilling bursts of excitement, and the overall potential remains promising. The RTP of 96.5% is comfortably above the industry's norm.
In every spin, players are initially greeted by 3 reels displaying 4 symbols each. Matching symbols across reels 1 through 3 allow an additional reel to be added, continuing as long as winning combinations improve. This defines the Infinity Reels mechanic, even though the reels are limited to a maximum of 50, a slight misnomer for 'infinity'. A 2x win multiplier is awarded with the first new reel, and it increases incrementally with each subsequent reel.
When at least 5 matching symbols are aligned from the first reel and onward, a winning combination is created. The reward is calculated by multiplying the symbol count by the symbol's individual value. Lower tier symbols include J-A royals, while higher values include daggers, Ankhs, a queen, a golden statue, and a pharaoh. The premium symbols range from 0.10 to 0.25x the stake per symbol, making five of a kind worth 0.5 to 1.25 times your bet. Multipliers and extra reels can amplify these returns. The game also features a wild symbol not resembling traditional Egyptian imagery that substitutes all symbols except the Gold Book and special Expanding Symbols.
Features of the Book of Ultimate Infinity Slot

Besides Infinity Reels, players can trigger free spins with the Gold Book scatter. This unusual bonus starts by selecting a random reel (between 6 and 15) to house the Gold Book at the start of every spin. Reaching this reel during a winning streak awards 10 free spins. Players need a minimum of 6 reels to trigger these bonus spins.
Once in free spins mode, one symbol is chosen randomly as the special expanding symbol. If additional free spins are earned during the session, the special symbol remains unchanged. Landing a special symbol or a book on the far-right reel adds a new reel regardless of winning improvement. Like in traditional 'book' slots, when 2 or more reels feature the expanding symbol, they expand to cover all positions and pay out whether consecutive reels or not.
Verdict on the Book of Ultimate Infinity Slot
Just as Bill Hicks might say, the evolution of human intelligence didn't end with opposable thumbs, SG Digital demonstrates untapped potential for 'book of' themed games. The Book of Ultimate Infinity showcases how adaptable ReelPlay’s setup is, blending classic and new features. jackpot versions, Megaways , and now a Book of Ra The game inherits typical drawbacks but still provides moments of excitement with unexpected big wins amidst dead spins. The lack of Megaways may cause some monotony, often present to add randomness and thrill.
A neat addition is the map expanding and contracting under the reels, showing the position of the triggering scatter, adding suspense as it changes location. Once the feature is triggered, the Book of Ultimate Infinity stands out among its peers, especially at the opportunity to win a cap of $/€250k. The downside lies in modest symbol values, as some symbol stacks offer minimal returns.
Book of Ultimate Infinity may not reach the pinnacle of similar slots, yet it's a potentially rewarding choice for fans of Infinity Reels or special expanding symbols.
For more games employing the Infinity Reels mechanism, consider Relax Gaming’s Leprechaun-themed title. Book of Dead SG Digital effectively utilizes the Infinity Reels system to deliver an engaging gaming experience enriched with a novel twist.
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