Book of Ultimate Infinity: Infinity Reels

Travel to ancient Egypt on a quest for untold treasures on the slot from Red 7 Mobile powered by Scientific Games subsidiary SG Digital. Book of Ultimate Infinity: Infinity Reels is the first creation to use the licenced game engine from ReelPlay with a new twist to the “Book of …” mechanic, taking you on a volatile reel adventure with wild substitutions, a progressive multiplier, an extra jackpot pay and a free spins round with a special expanding symbol that can lead to wins of up to 10,000 times your bet or 250,000 credits, whichever is reached first.

Slot Details

Book of Ultimate Infinity: Infinity Reels is a video slot with a 3×4 default format, featuring the licenced game engine from ReelPlay that keeps adding more reels to the game window as long as more winning symbols land, up to a maximum of 50 in a single spin sequence (more to that shortly). Wins are awarded for minimum five matching symbols on adjacent reels starting from the leftmost. Pays are calculated by multiplying the number of matching symbols with the attributed value for the symbol. For example, having five top symbols will pay 5 count x 0.25 symbol value = 1.25x the bet.

You can go on a reel expedition to ancient Egypt on desktop, tablet or mobile from 0.20 to 50 credits per spin. The slot comes with a medium to high volatility and an RTP of 96.50%. Loading the game will take you to the shores of the river Nile with ancient pyramids in the background. Palm trees wade to a light breeze while an oriental soundtrack provides the fitting audio. The soon more reels are added in a spin sequence, the scenery will move to cross the river, revealing the opposite shore with more ancient buildings.

The pay symbols start at the low end with artistic card royals from J through to A. A single symbol is valued between 0.05x your bet with a minimum of five needed for a win, e.g. hitting five As on a spin will pay 0.25x your bet. They are followed by an ancient dagger, an Ankh cross, an Egyptian queen, the jackal god Ra and a mask of Tutankhamun. The value increases to 0.10x to 0.25x your stake per symbol. A gold-framed icon marked with the word itself is the wild symbol, substituting for all regular pay symbols, while an ancient golden book acts as the scatter.

Book of Ultimate Infinity: Infinity Reels Slot Features

The novel game engine from ReelPlay is spreading its footprint with iGaming powerhouse Scientific Games becoming one of their first licensees, a true indication that the slots featuring the Infinity Reels mechanic are well-liked in the casino community. Scientific Games assigned their subsidiary Red 7 Mobile for the challenge to create their debut game which takes the immensely popular “Book of…” mechanic with special expanding symbols in the bonus round to a new level.

Core to the gameplay is the Infinity Reels mechanic, that will add reels on the right of the game window in a winning spin. All spins start with three reels as default and scoring a win with matching symbols present on all reels will see one reel being added to the right. The new reel will spin once while the others are held to potentially land more matching symbols, in which case the process is repeated. Keep an eye on the map display at the bottom of the game window (desktop) to follow the progress. A spin sequence will end when no new matching symbols land on the added reel that further improves the winning combo or if the maximum of 50 reels is reached.

Simultaneously, a win multiplier is activated the soon one reel is added. It starts at x2 for the initial win and increases by x1 for each further reel, again, ad infinitum in synch with the number of added reels. Once a spin sequence ends, wins are calculated by multiplying the total number of winning symbols in view with the symbol value from the paytable and then multiplied again by the achieved round multiplier. The game window will reset to the default 3×4 format before the start of the next spin sequence.

At the start of a spin sequence, a random reel from 6 to 15 is chosen to hold the Golden Book scatter, marking it on the bottom display. The aim is to reach the selected reel to trigger the bonus feature. A pop-up screen to the side of the game window will inform you of how many more reels are needed to reach the scatter. A spin sequence will continue past the selected reel until no more winning symbols land and start the bonus round once the win from the triggering spin is evaluated.

Reaching the wheel with the Golden Book scatter will trigger 10 Free Spins which can be indefinitely retriggered with the same mechanic. Before the start of the round, one of the nine pay symbols is randomly selected to become the special expanding symbol for the duration of the feature. Hitting the selected symbol on two or more reels in one free spin will see it expand and pay a win equal to the number of symbols, regardless whether they are on consecutive reels. Wild symbols will not expand. Plus, the progressive win multiplier is active as well during the free spins. The round ends when you run out of free spins or reach the maximum win cap of 250,000 credits.

Final Verdict

And we thought we have seen all possible variations of the “Book of…” slot mechanic with the special expanding symbol. With Book of Ultimate Infinity: Infinity Reels, Scientific Games proves there is not just life left in the genre but that it can deliver suspenseful gameplay and mega wins. The two mechanics work well together, making each bonus round a unique event.

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