Game Theme
Book

Game ThemeBook |
ProviderGames Global |
VolatilityHigh |
RTP96.45% |
Max Multiplier |
Min Bet0.10 CHF |
Max Bet20.00 CHF |
OL-AGG-20210511-003
Book of Atem follows the tradition of classic “book slots”, adopting their core mechanics while adding a twist that stands out during the bonus rounds. The structure consists of 5 reels, 3 rows, and 10 fixed paylines, a compact format that focuses the action on a clear and readable grid. The theme evokes Ancient Egypt through a serene temple garden setting, a bright visual approach that contrasts with the darker tomb imagery typically associated with the genre.
At the heart of the experience, the Book symbol acts as both Wild and Scatter. This dual function drives the entire gameplay: the Book can substitute for all other symbols to complete combinations, trigger scatter wins, and most importantly, activate 10 free spins when multiple copies appear simultaneously. It is during this free spins sequence that the game’s originality emerges: a special symbol is randomly chosen to expand on its reel whenever it can form a winning combination. A key feature is that these expanded symbols do not need to be adjacent to pay. For example, occurrences on reels 1, 4, and 5 can count as a “three of a kind”.
This inherited yet refined rule shapes an experience where “screens” of expanded symbols become the engine of the most rewarding sequences. Outside the bonus, the game remains intentionally streamlined, in keeping with the sub-genre’s tradition. Regarding potential, the maximum win caps at 5,000x the stake, a classic benchmark for this type of mechanic. Finally, the release date was December 13, 2019, placing this title among a generation of “book slots” modernized with fresher graphics and smooth animations.

The visual setting stands out for its outdoor atmosphere: lush gardens adjoining an Egyptian temple, bathed in light tones that create a sense of visual breathing room. While many games with the same theme favour dark palettes, this one opts for light colours, occasional gold accents and a spacious interface. The scenery remains visible through the reels, reinforcing the impression of a game grid integrated into its surroundings.
The animations follow the same restrained, precise approach: effects showing special symbols expanding across an entire reel, with winning combinations highlighted through clean transitions without visual clutter. Together, these elements create a coherent visual identity in which the Egyptian theme is expressed through light and vegetation rather than the darkness of a burial chamber. The result is easy to read, even on mobile screens, thanks to a clear visual hierarchy and balanced contrasts.
The paytable follows a familiar hierarchy, favouring a few distinctive icons with clearly differentiated values. Their gameplay roles are as follows:
This hierarchy underpins the core “book” mechanic: during free spins, a selected symbol expands to cover an entire reel, potentially forming combinations without adjacent positions. For premium icons, two symbols are often enough to trigger expansion, while low-value symbols require three.
The soundtrack opts for a melody with an Egyptian flavour, calm and immersive. Reel spins are accompanied by understated effects, while wins and, above all, the expansion of special symbols receive distinctive audio cues that signal the importance of the event. During the bonus, the music becomes more prominent, adopting a more dramatic tone that heightens the tension created by the expanding symbol and potential free spin retriggers. The overall focus remains on clarity: each sound marks a clearly identifiable stage of the action.

The Book combines substitution and scatter. It completes lines as a Wild and awards scatter wins regardless of lines. Most importantly, 3 or more Books trigger 10 free spins, initiating the sequence where the core value of the game is concentrated.
When the bonus begins, a symbol is randomly chosen to become expanding. Each appearance of this symbol, if it forms a valid combination, triggers expansion across the entire reel. Free spins can be retriggered by obtaining additional Scatters, extending the window during which expansions occur. A useful detail: premium symbols often require only two occurrences to expand, enhancing their impact during the bonus.
The main feature lies in the payout of expanded symbols without adjacency. A reel sequence like 1-3-5, for instance, counts as “three of a kind,” opening atypical win patterns for a linear 10-line format. After each expansion, the game recalculates payouts, summing classic line wins with those from expansions.
The 5,000x maximum follows the tradition of “book slots.” The most direct path is a full reel of the highest-paying symbol (Pharaoh) during free spins. The bonus architecture – symbol selection, conditional expansions, non-adjacent payout – is designed to make this scenario clear and technically accessible without adding unnecessary layers.

The features revolve around the dual-role Book (Wild/Scatter) and free spins with expanding symbols. The combination of these elements creates a clear gameplay loop: get the Book, trigger 10 free spins, deploy the chosen symbol, and benefit from non-adjacent payouts specific to expansions. Note: no fixed or progressive jackpot is associated with this title; the ceiling is achieved through full-reel logic.
| Feature | Technical Details | Key Points |
|---|---|---|
| Grid Structure | 5 reels, 3 rows, 10 fixed lines |
|
| Release Date | December 13, 2019 |
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| Book Symbol (Wild/Scatter) | Substitutes all symbols; pays as scatter; triggers free spins |
|
| Free Spins | 10 free spins with a random special symbol |
|
| Expanding Symbol | Expands the chosen symbol across the entire reel when a combination is formed |
|
| Non-adjacent payout (expansions) | Expanded reels do not need to be contiguous to count |
|
| Max Win | 5,000x the bet |
|
| Jackpot | No fixed or progressive jackpot |
|
Book of Atem takes a “classic + nuance” approach: the base mechanics remain faithful to the model, with the difference expressed through non-adjacent payouts for expanded symbols. Visually, the game adopts a clear identity, favoring a bright palette and temple garden that breaks away from the usual tomb-cave clichés. The gameplay revolves around a versatile Book (Wild/Scatter), 10 free spins, and an expanding symbol whose effect is both spectacular and easy to read.
This readability is reflected in the paytable: Pharaoh at the top (500x), Falcon (200x), Cobra and Lotus (75x), card symbols up to 15x. The Book pays up to 200x anywhere, reinforcing its central role. The absence of a dedicated jackpot focuses attention on the bonus sequence and the expansion mechanics. A rarely highlighted detail: seeing expanded reels pay without adjacency changes expectations during free spins, multiplying valid patterns beyond the usual strict “left-to-right” rule.
Compared to other reference “book slots,” Book of Atem retains the essential benchmarks (5x3 grid, 10 lines, dual-function Book, 10 free spins) while adding this layer of freedom in extended payouts. By comparison, Book of Ra (Greentube) is the archetype of the genre: same mechanical skeleton, same expanding symbol logic, but without the non-adjacent payout rule that defines this version. The aesthetic contrast is also notable: whereas many inherited titles maintain a dark, enclosed environment, Book of Atem favors a brighter outdoor atmosphere, which makes symbols and expansions easier to read.
For a thematic detour in the same universe, Power of Gods: Egypt (Wazdan) offers another interpretation of ancient Egypt. Similarities include theme, iconography, and the focus on bonus highlights. Differences lie in feature structure and game rhythm: Book of Atem embraces a minimalist approach, concentrating attention on a single pivot – the expanding symbol – and on a non-adjacent payout rule that expands potential winning combinations during free spins. The result, without gimmicks, resembles fireworks when the chosen icon aligns across multiple, even non-adjacent reels.
Overall, the offering is built around a few clearly defined technical levers: 5x3 grid with 10 fixed lines for clarity, Wild/Scatter Book for coherence, 10 free spins for staging, expanding symbol for leverage, non-adjacent payout for signature, and 5,000x max win for the horizon. Released on December 13, 2019, this title balances tradition and micro-innovation, with a visual approach that prioritizes readability. Within the “book slots” universe, this version stands out precisely for the freedom granted to expanded symbols’ positions – a simple rule to state, yet decisive for the structure of free spins.
What are the basic gameplay principles?
5x3 grid with 10 fixed lines. The Book has a dual role (Wild + Scatter). Outside the bonus, the gameplay remains clean and easy to read.
How is the bonus triggered and how does it work?
3+ Books trigger 10 free spins. A special symbol is randomly selected, expands, and can pay non-adjacently if it forms a combination.
Does the expanding symbol need to be adjacent to pay?
No. It pays anywhere as long as a combination is valid; patterns like 1-4-5 or 1-2-5 count.
Can free spins be retriggered?
Yes. Additional Scatters add more spins and extend the expansion window; multiple retriggers are possible.
What is the win potential?
Centered on expansions during free spins, with a full-screen maximum; potential is consistent with genre standards.