Mancala Gaming

Book of 1X

Compact Mancala Gaming book slot with an expanding bonus symbol

SlotRanker Score

/ 99

05099

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

How this score is built

RTP

95%

return to player

Volatility

—

variance

Max win

—

top multiplier

Min bet

$0.10

per spin

Reels

10 lines

Player rating

3.9 ★

13 votes

DEMO Play free, no signup

Mancala Gaming

Embed on your site

3.9 / 5

13 ratings

User ratings are shown separately from the Slot Score unless stated otherwise.

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

Payouts & RTP8/10

RTP 95% → 8.0/10

Volatility8/10imputed

imputed medium (unknown) → 8.0/10

Win Potential—

no data

Features4/10

5 features → 4.0/10

Game Mechanics4.2/10

f=5 r=5 p=10 → 4.2/10

Context signals (tie-breakers)

Layout5/10

3x5 → 5.0/10

Bet Flexibility8/10

0.1–200 (×2000) → 8.0/10

Provider Reputation6.3/10

provider avg 6.3 → 6.3/10

Popularity0/10

synthetic proxy → 0.0/10

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: 53 — Book of 1X by Mancala Gaming

https://slotranker.com/mancala-gaming/book-of-1-x#score

How to cite

Slot Summary

The five-reel frame in Book of 1X uses only 10 fixed paylines, keeping Mancala Gaming's book-slot format compact while returning 95% over the theoretical long run. Its Book symbol serves as both Wild and Scatter, opening Free Spins where an expanding symbol becomes the main event rather than adding a separate collection or jackpot system.

How It Plays

Wins are evaluated across 10 fixed paylines on a five-reel, three-row layout. The Book Wild can substitute in regular combinations while also serving as the bonus Scatter.

The betting range extends from 0.1 to 200. Outside the bonus, the game keeps its attention on ordinary line wins and the dual-purpose Book symbol.

Theme & Atmosphere

Book, Magic, and Mystery define the presentation, with the central volume acting as both the narrative object and the most important symbol in play.

The mystery treatment suits the concealed expanding symbol, since the bonus reveals which symbol will take over full reel positions during Free Spins.

Magic Mystery Book

Features & Win Potential

The Book symbol functions as both Wild and Scatter, reducing two standard slot roles to one symbol and making its appearance relevant in base play and bonus entry.

Expanding Symbols supply the main transformation during Free Spins. Additional Free Spins can prolong that feature without introducing a separate jackpot or collection system.

Free Spins Scatter Symbol Wild Symbol Additional Free Spins Expanding Symbols

Bonus & Free Spins

Landing three or more Book symbols triggers Free Spins. Once the round begins, its selected expanding symbol can cover complete reel positions when the required landing pattern appears.

Additional Free Spins provide the extension mechanic, so the round's value depends on repeated opportunities for the expanding symbol rather than a separate multiplier ladder.

Spec sheet

Book of 1X at a glance.

Identity

Slot nameBook of 1X

StudioMancala Gaming

Released8/11/2025

Math

SlotRanker Score53

RTP95%

Max win—

Bet range$0.10 – $200.00

Player rating3.9 / 5 · 13 votes

Format

Reels5

Paylines10

Layout3x5

Features

Themes

Expected average based on this slot's 95% RTP — individual sessions vary with volatility.

Bet per spin

Spins per hour400

Session length (hours)

Cost per hour$2.00

Cost per session$2.00

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

How long could a bankroll last on Book of 1X? We simulate thousands of sessions from this game's published RTP and volatility — the long-run math, not a prediction of your next spin.

Bankroll ($)Bet per spin ($)Speed

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 (95.00%), with wins capped at its top multiplier (1,000×).

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 1X

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Compare Book of 1X with other games

	Book of 1X Score 53This game	Monsterville Secrets Score 84	The Watcher Score 81	Book of Unseen Score 79	Fury of Hyde Megaways Score 79
Identity
Studio	Mancala Gaming	Ino Games	StakeLogic	RubyPlay	Jelly
Released	8/11/2025	10/22/2024	10/28/2024	12/4/2024	2/8/2023
Math
RTP	95%	96.04%	96.01%	96.2%	96%
Volatility	—	Medium/High	High volatility	High volatility	High volatility
Max win	—	12,500×	9,000×	2,500×	10,000×
Format
Reels	5	5	6	5	6
Layout	3x5	5x3	6x6	5x3	6x7
Paylines	10	243	40	10	117649
Min bet	0.1	0.2	0.2	0.1	0.2
Max bet	200	50	100	100	20
Features
Progressive	—	—	—	—	—
Wild symbol	✓	✓	✓	✓	✓
Free spins	✓	✓	✓	✓	✓
Scatter symbol	✓	✓	✓	✓	✓
Multiplier	—	✓	✓	✓	✓
Bonus game	—	—	—	✓	—
Respins	—	—	—	—	—

Every number is shown as a delta against Book of 1X.

Comparing against

Book of 1X

Mancala Gaming

RTP

95%

Max win

—

Score

+ Multiplier+ Bonus Game

Fury of Hyde Megaways

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