| Quick Stats | |
|---|---|
| Provider | Felix Gaming |
| Game Type | Video Slot |
| RTP | 95.87% |
| Volatility | Medium-High (4/5 per Felix Gaming) |
| Reels / Rows | 5 × 3 |
| Paylines | 10 Fixed |
| Min Bet | $0.10 |
| Max Bet | $70.00 |
| Max Win | 5,000x stake |
| Features | Book Wild/Scatter, Free Spins (15, retriggerable), Random Expanding Symbol, HyperJump |
| Theme | Ancient Sumerian / Mesopotamian |
| Release Date | 9 October 2019 |
| Platform | Desktop & Mobile |
What Is Book of Anunnaki
Book of Anunnaki is Felix Gaming’s entry into the Book of… format, built around the mythology of the Anunnaki — the ancient gods of the Babylonians, Assyrians, and Hittites, predating even the iconography of ancient Egypt. The game looks the part: stone columns frame the reels, a Mesopotamian temple fills the background, and the symbols are drawn in detailed ancient artefact style — a golden statue, the Eye of Horus, a scarab, pendants, and hieroglyph-inspired card ranks. The soundtrack is atmospheric but restrained.
The format is immediately familiar to anyone who’s played a Book of… title: 5×3 grid, 10 fixed paylines, a dual Wild/Scatter book symbol, and free spins driven by a random expanding symbol. Felix Gaming adds one genuinely useful mechanic on top — HyperJump — which lets you fast-forward through non-winning spins during autoplay. Beyond that, this is a clean, straightforward Book of… slot without extra complexity.
Medium-high volatility means base-game wins arrive at a moderate pace, but they’re typically small. With only 10 paylines, the hit frequency is lower than multi-payline pokies. The game’s entire return profile is weighted toward the free spins round. If you trigger free spins with a high-value expanding symbol and it lands consistently across those 15 spins, the 5,000x ceiling becomes reachable. Sessions without a trigger are common — budget accordingly.
RTP and Volatility
The RTP is 95.87%, which sits below the 96% benchmark most players target. Over millions of spins, the game theoretically returns $95.87 per $100 wagered — a 4.13% house edge. Felix Gaming rates the volatility at 4 out of 5 on their internal scale, positioning it firmly in medium-high territory. In practice, this means base-game wins are modest and infrequent, and the session feel is dominated by waiting for the Book scatter to fire. In a 100-spin session at $0.10 per spin, the total spend is $10 — and it’s common to get through that stretch without triggering free spins once.
The best sessions come when the free spins fire with a high-value expanding symbol (the golden statue pays 500x for five of a kind — a full-reel expansion across multiple paylines during free spins amplifies this dramatically). A single well-placed expanding symbol win during free spins can return 20–50x your session bet; a run with retriggers and consistent expansions is where the 5,000x potential lives.
Betting Range
Bets run from $0.10 to $70 per spin. The $0.10 minimum is very accessible and well-suited to medium-high volatility play where session length matters. At $0.10 a spin, 100 spins costs $10, giving you a reasonable run at the free spins trigger. The $70 maximum is solid for higher-stakes play — at that stake, a 5,000x win would return $350,000, though this is purely theoretical and assumes an exceptional free spins run. All payline and scatter wins scale directly with your bet size.
How to Play Book of Anunnaki — Step by Step
- Set your bet using the +/− controls at the bottom of the screen. Start at $0.10 for a longer session or increase based on your session budget.
- Check the paytable before spinning — note the Book symbol’s dual Wild/Scatter role and the paytable multipliers for each symbol at your current bet size.
- Hit spin. Wins pay left to right from reel 1 across all 10 fixed paylines. Book symbols pay in any position (scatter wins), with 2 or more paying and 3 or more also triggering free spins.
- When 3+ Book symbols land anywhere on the reels, the free spins round triggers. One regular symbol is randomly selected as the expanding symbol before the round begins.
- During the 15 free spins, whenever the chosen expanding symbol forms part of any winning combination, it expands to fill all positions on the reels it occupies — covering entire reel columns and paying across every payline that runs through those positions.
- If 3 or more Book symbols land again during free spins, the feature retriggers for another 15 spins. A new expanding symbol is randomly chosen for the retriggered round. There is no cap on retriggers.
- To use HyperJump: click the HyperJump button in the top-right corner, set your bet and number of spins, then press Spin. The feature skips non-winning spins instantly and only shows you the winning outcomes, with a History button to review what happened.
Try this: Start at $0.10 per spin with a $15 budget (150 spins). At medium-high volatility, free spins trigger roughly once every 100–150 base game spins on average, so this gives you a realistic shot at the feature without overexposing your bankroll.
Symbols and Paytable
Ten symbols in total: the golden Book (Wild/Scatter), four high-value character/artefact symbols, and five low-value playing card ranks. The Book pays up to 1,000x for five on a payline. The golden Statue is the highest-paying regular symbol at 500x for five, dropping to 100x for four and 10x for three. The Eye of Anubis pays 200x for five. Two mid-tier symbols (pendant and Anunnaki figure) pay 75x for five. The Ace and King pay 15x for five, while Queen, Jack, and 10 pay 10x for five. All paytable values are displayed dynamically in-game based on your current bet size.
Bonus Features
Book Symbol — Wild and Scatter
The golden Book serves dual roles throughout the game. As a Wild, it substitutes for any regular symbol on a payline to complete or extend winning combinations. As a Scatter, it pays out independently when 2 or more appear anywhere on the reels — those scatter wins are added on top of any payline wins from the same spin. Landing 3 or more Books in a single spin triggers the free spins feature regardless of their position on the reels.
Free Spins with Random Expanding Symbol
Three or more Book symbols anywhere on the reels trigger 15 free spins. Before the round starts, one regular symbol is randomly selected as the expanding symbol for the duration of those spins. During free spins, whenever the chosen symbol lands as part of any winning combination on a payline, it expands to cover all three row positions on every reel where it appears. A statue on reels 2, 3, and 4 in a win, for example, would expand to fill all three rows of each of those reels — creating simultaneous wins across every payline running through those positions.
The feature is retriggerable with no cap: if 3 or more Books land during free spins, another 15 spins are added and a new expanding symbol is randomly selected for the new batch. The original expanding symbol no longer applies once the retrigger begins. This means a lucky series of retriggers with high-value expanding symbols is the primary path to the game’s 5,000x maximum win.
HyperJump
HyperJump is Felix Gaming’s proprietary fast-forward feature, available in several of their titles. Access it via the button in the top-right corner of the screen. You set the total bet and number of spins you want to play, then activate it. The feature automatically skips through all non-winning spins and only presents you with the winning outcomes — meaning you see the end result of each session batch instantly rather than watching each individual spin play out. A History button lets you review which spins produced wins and what those were.
HyperJump doesn’t change the odds or RTP — it’s a display and speed tool only. The same random outcomes occur whether you use it or not; HyperJump just removes the visual playback of dead spins. The practical effect is that it dramatically accelerates session pace, which can deplete your balance quickly if you’re not paying attention to how many spins you’ve set. Use it with a clear spin limit in mind.
About Felix Gaming
Felix Gaming was founded in 2016 in Sofia, Bulgaria, in partnership with game developer ALEA. The studio gained recognition after its 2017 debut slot Fruity Mania and has since built a catalogue of around 48 titles. Felix Gaming holds licences from Malta and Curaçao. Book of Anunnaki was released on 9 October 2019 and remains one of their more widely distributed titles. The HyperJump mechanic appears across several Felix Gaming releases as a signature speed feature.
Is Book of Anunnaki Worth Playing
Pros:
- 5,000x max win is strong for a 10-payline Book of… format, achievable via retriggerable free spins with multiple expanding symbols
- HyperJump is a genuinely useful feature for players who prefer fast session pacing without watching dead spins
- Free spins retrigger with a new expanding symbol each time — no cap on retriggers creates real upside potential in lucky runs
- Sumerian/Mesopotamian theme is a refreshing alternative to the standard Book of Ra Egyptian aesthetic
- $0.10 minimum bet suits extended medium-high volatility sessions on a tight budget
- Felix Gaming doesn’t use adjustable RTP settings, so the 95.87% is consistent across all casinos carrying the game
Cons:
- 95.87% RTP is below the 96% benchmark — one of the lower figures in the Book of… category
- Only 10 paylines means base-game hits are infrequent; the game is heavily dependent on feature triggers
- No innovation beyond the standard Book of… mechanic — HyperJump aside, the gameplay is identical to dozens of competitors
- HyperJump can burn through your balance quickly if you don’t set a firm spin limit before activating it
- The visual theme, while technically Sumerian, reads as generic ancient civilisation — difficult to distinguish from Egyptian or Aztec Book-of titles at a glance
Book of Anunnaki is a solid but unremarkable Book of… slot. The 5,000x ceiling and retriggerable free spins with changing expanding symbols give it genuine payout potential when conditions align, and HyperJump is a useful addition for players who want fast results. What holds it back is the 95.87% RTP and the lack of any mechanic that distinguishes it from Book of Dead or Book of Ra beyond speed. At $0.10 per spin for patient feature-hunting, it’s a worthwhile session — just go in knowing the feature may take 100–150 spins to arrive.
Responsible Gambling
Book of Anunnaki uses a certified Random Number Generator (RNG). Every spin result is independently determined and cannot be predicted or influenced. The 95.87% RTP is a long-run theoretical figure — individual sessions will regularly diverge from it. The HyperJump feature in particular can accelerate balance depletion — always set a clear spin limit before activating it. Set a fixed budget before starting, and stop when it’s reached. If gambling stops being enjoyable, reach out to a local responsible gambling service for support.