Spinomenal

Book Of Tribes

Aztec Book Of slot with expanding-symbol free spins

SlotRanker Score
61
/ 99
61
05099

The SlotRanker Score is calculated from the visible data below. It is not affected by affiliate deals, and it cannot be bought.

RTP
95.9%
return to player
Volatility
—
variance
Max win
5,000×
top multiplier
Min bet
$0.10
per spin
Reels
5
10 lines
Player rating
4.0 ★
13 votes
DEMO Play free, no signup
Spinomenal
Book Of Tribes
Embed on your site
4.0 / 5
13 ratings
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User ratings are shown separately from the Slot Score unless stated otherwise.

Why this score

High confidence (86%)

Five weighted signals shape the composite. Four context signals refine ties. See how we rate for the full methodology.

Slot score profile across 5 weighted categoriesPayouts & RTP8/10RTP 95.9% → 8.0/10Volatility8/10imputedimputed medium…Win Potential7.4/10x5000.00 (5000×) →…Features6/109 features → 6.0/10Game Mechanics4.2/10f=9 r=5 p=10 →…
Payouts & RTP8/10
RTP 95.9% → 8.0/10
Volatility8/10imputed
imputed medium (unknown) → 8.0/10
Win Potential7.4/10
x5000.00 (5000×) → 7.4/10
Features6/10
9 features → 6.0/10
Game Mechanics4.2/10
f=9 r=5 p=10 → 4.2/10
Context signals (tie-breakers)
Layout6/10
5x3 → 6.0/10
0.1–100 (×1000) → 6.0/10
provider avg 5.7 → 5.7/10
synthetic proxy → 2.5/10

Popularity blends real player search demand (~30 markets) with a catalogue-derived proxy; games without measurable search demand use the proxy alone. Not live play telemetry.

Cite this score

SlotRanker Score: 61 — Book Of Tribes by Spinomenal

https://slotranker.com/spinomenal/book-of-tribes#score
How to cite

Slot Summary

Book Of Tribes fills the narrow space between the familiar Book Of format and an Aztec expedition setting. Spinomenal places a scattered Golden Book wild on a five-reel, 10-line game, using it to connect base play with free spins and expanding symbols. The 95.9% RTP, x5000.00 ceiling, and high-risk feature structure give the selected expanding symbol most of the game’s weight.
MechanicsGolden Book connects wild, scatter, and bonus roles

How It Plays

The base game uses 10 lines, so each symbol position remains easy to follow. The Golden Book contributes as a wild while also serving as the scatter trigger.

Once the feature selects an Aztec figure, matching copies can expand to cover their reels. This concentrates the bonus on one chosen symbol rather than many unrelated modifiers.

Theme & Atmosphere

Ancient Aztec figures, a golden book, animals, and a Jungle expedition give the Book formula a South American adventure context.

The Action & Adventure direction comes from searching for the book and revealing tribal figures. Ancient imagery remains tied to the expanding-symbol mechanic instead of functioning only as decoration.

Features & Win Potential

The Golden Book works as a Wild Symbol and Scatter Symbol, providing both substitution and access to Free Spins. That dual role makes each appearance relevant in two ways.

Expanding Symbols become the defining bonus modifier. When the selected figure appears, it can spread across its reel and create several line evaluations from one symbol type.

Bonus & Free Spins

Free Spins use a selected expanding symbol drawn from the Aztec figures. Its appearances can expand vertically across the reels, creating the feature’s main payout route.

A Bonus Buy offers direct access where permitted. Otherwise, the scattered Golden Book symbols provide the natural trigger from the base game.

Spec sheet
Book Of Tribes at a glance.
Identity
Slot nameBook Of Tribes
Released8/24/2020
Math
SlotRanker Score61
RTP95.9%
Max win5,000×
Bet range$0.10 – $100.00
Player rating4.0 / 5 · 13 votes
Format
Reels5
Paylines10
Layout5x3

True Cost to Play

Expected average based on this slot's 95.9% RTP — individual sessions vary with volatility.

Cost per hour$1.64
Cost per session$1.64

Estimate only, for entertainment purposes — treat gambling as entertainment, not a way to make money, and set a budget you can afford to lose.

Bankroll survival simulator

How long could a bankroll last on Book Of Tribes? We simulate thousands of sessions from this game's published RTP and volatility — the long-run math, not a prediction of your next spin.

Volatility tier: Mediumassumed — not published for this slot

Running simulation…
How this works

Each simulated spin either misses or returns a win drawn from a log-normal distribution, with the hit rate and spread set by the slot's volatility tier (Medium). The model is calibrated so the average return equals this slot's published RTP (95.90%), with wins capped at its top multiplier (5,000×).

This is a simplified, parametric model of the game's math — not its real paytable. It exists to make the house edge visible over many sessions, so the numbers above are averages across thousands of runs, never a forecast of one.

This is math, not a prediction. Real sessions vary wildly, and no strategy changes a game's built-in house edge. Play for fun, set limits, and never bet more than you can afford to lose.

Where to play Book Of Tribes

No matching casinos for your region yet

Casino availability depends on where you play from. We only show casinos that accept players from your country.

Compare Book Of Tribes with other games

Book Of Tribes
Book Of Tribes
Score 61This game
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J Mania Mayan Cache DiceJ Mania Mayan Cache Dice
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Identity
Studio
Pragmatic Play This provider has been reviewed and approved by the SlotRanker team. What does this mean?
Released8/24/20207/25/20197/20/20235/28/20247/29/2024
Math
RTP95.9%95.5%96.05%96.87%96.31%
Volatility—High volatilityMedium/HighHigh volatility—
Max win5,000×10,804×7,200×3,678×1,000×
Format
Reels55655
Layout5x35x66x75x35x3
Paylines1077761176492530
Min bet0.10.20.10.250.2
Max bet1001008012550
Features
Progressive—————
Wild symbol✓✓✓✓✓
Free spins✓✓✓✓✓
Scatter symbol✓✓✓✓✓
Multiplier—✓—✓✓
Bonus game———✓✓
Respins————✓

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Questions & Answers

Book Of Tribes FAQ

4 questions

The game sheet lists a 95.9% RTP, while operator deployments may use other approved return configurations.

Book Of Tribes uses five reels, three rows, and 10 fixed paylines for its base-game evaluations.

The Golden Book acts as both a scattered trigger and a wild, connecting ordinary substitutions with access to free spins.

Yes. Spinomenal lists a buy feature alongside the natural scatter route into the bonus game.

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