Betsoft

Book of Darkness

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Play Book of Darkness slot by Betsoft for free in demo mode! Explore RTP, bonus rounds, and key features before playing for real.

Only 0.1% of slots combine Book Of... and Free Spins Multiplier.

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SlotRanker Score

/ 99

05099

The SlotRanker Score is calculated from the visible data below. It is not affected by affiliate deals or paid placement.

How this score is built

RTP

96.48%

return to player

Volatility

High volatility

variance

Max win

640×

top multiplier

Min bet

$0.10

per spin

Reels

10 lines

Player rating

4.6 ★

6 votes

DEMO Play free, no signup

Betsoft

4.6 / 5

6 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 & RTP9/10

RTP 96.48% → 9.0/10

Volatility9/10

high → 9.0/10

Win Potential5.6/10

x640.00 (640×) → 5.6/10

Features6/10

10 features → 6.0/10

Game Mechanics4.2/10

f=10 r=5 p=10 → 4.2/10

Context signals (tie-breakers)

Layout6/10

5x3 → 6.0/10

Bet Flexibility4/10

0.1–10 (×100) → 4.0/10

Provider Reputation6.9/10

provider avg 6.9 → 6.9/10

Popularity5/10

synthetic proxy → 5.0/10

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: 66 — Book of Darkness by Betsoft

https://slotranker.com/betsoft/book-of-darkness#score

How to cite

Spec sheet

Book of Darkness at a glance.

Identity

Slot nameBook of Darkness

StudioBetsoft

Released10/10/2020

Math

SlotRanker Score66

RTP96.48%

VolatilityHigh volatility

Max win640×

Bet range$0.10 – $10.00

Player rating4.6 / 5 · 6 votes

Format

Reels5

Paylines10

Layout5x3

Expected average based on this slot's 96.48% RTP — individual sessions vary with volatility.

Bet per spin

Spins per hour400

Session length (hours)

Cost per hour$1.41

Cost per session$1.41

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 Darkness? 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: High

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 (High). The model is calibrated so the average return equals this slot's published RTP (96.48%), with wins capped at its top multiplier (640×).

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.

Compare Book of Darkness with other games

	Book of Darkness Score 66This game	Tome of Madness Score 66	Forbidden Throne Score 64	Blades of the Abyss Score 56	Ultra Cluster Kingdom Score 92
Identity
Studio	Betsoft	Play'n Go	MahiGaming	Nucleus Gaming	GameArt
Released	10/10/2020	6/27/2019	5/5/2017	12/6/2017	9/24/2024
Math
RTP	96.48%	94.52%	96.01%	95.21%	—
Volatility	High volatility	High volatility	Medium volatility	—	High volatility
Max win	640×	2,000×	—	—	—
Format
Reels	5	5	5	5	8
Layout	5x3	5x5	5x3	5x3	8x8
Paylines	10	Cluster Pays	40	20	Cluster Pays
Min bet	0.10	0.10	0.40	0.40	0.20
Max bet	10.00	100.00	20.00	100.00	200.00
Features
Progressive	—	—	—	—	—
Wild symbol	—	✓	✓	✓	—
Free spins	—	✓	✓	✓	✓
Scatter symbol	—	—	✓	—	✓
Multiplier	✓	✓	—	—	—
Bonus game	—	—	—	—	✓
Respins	—	—	—	—	—

Every number is shown as a delta against Book of Darkness.

Comparing against

Book of Darkness

Betsoft

RTP

96.48%

Max win

640×

Score

+ Wild+ Free Spins+ Scatter− Multiplier

+ Wild+ Free Spins− Multiplier

Ultra Cluster Kingdom

+ Free Spins+ Scatter+ Bonus Game− Multiplier

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