Golden Rock Studios

Book of Heroes

Slots Video Slots Fantasy Action & Adventure Magic Forest Book Warrior Knights Medieval Hero

A heroic book slot with a branching Totem bonus

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

96.06%

return to player

Volatility

High volatility

variance

Max win

5,640×

top multiplier

Min bet

$0.10

per spin

Reels

10 lines

Player rating

4.9 ★

8 votes

DEMO Play free, no signup

Golden Rock Studios

Embed on your site

4.9 / 5

8 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 96.06% → 9.0/10

Volatility9/10

high → 9.0/10

Win Potential7.5/10

x5640.00 (5640×) → 7.5/10

Features7.5/10

12 features → 7.5/10

Game Mechanics4.2/10

f=12 r=5 p=10 → 4.2/10

Context signals (tie-breakers)

Layout6/10

5x3 → 6.0/10

Bet Flexibility6/10

0.1–40 (×400) → 6.0/10

Provider Reputation7.3/10

provider avg 7.3 → 7.3/10

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: 72 — Book of Heroes by Golden Rock Studios

https://slotranker.com/golden-rock-studios/book-of-heroes#score

How to cite

Slot Summary

For the familiar book-slot format with more happening at bonus entry, Book of Heroes adds a Totem that can change both the spin allocation and the symbols left in play. Golden Rock Studios places that variation inside an enchanted-forest conflict between Lacplesis and the Dark Knight, giving the expanding-symbol formula a specific heroic setting.

How It Plays

The base game uses a 5x3 layout with 10 paylines. Book symbols act as wilds, replacing regular symbols in combinations, and also provide entry to free spins.

Premium symbols can pay from two matching symbols, while lower-paying symbols require at least three. The distinction matters before any expanding-symbol behavior becomes available in the bonus.

Bonus & Free Spins

Three or more Book symbols anywhere award 8 free spins. Before play begins, the Totem's bottom section selects the special symbol that can expand across a reel.

An upward arrow opens the next Totem section, which awards extra spins. Advancing again opens the symbol-removal section, taking a selected symbol out of the reels for the bonus.

Spec sheet

Book of Heroes at a glance.

Identity

Slot nameBook of Heroes

StudioGolden Rock Studios

Released9/15/2021

Math

SlotRanker Score72

RTP96.06%

VolatilityHigh volatility

Max win5,640×

Bet range$0.10 – $40.00

Player rating4.9 / 5 · 8 votes

Format

Reels5

Paylines10

Layout5x3

Expected average based on this slot's 96.06% RTP — individual sessions vary with volatility.

Bet per spin

Spins per hour400

Session length (hours)

Cost per hour$1.58

Cost per session$1.58

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 Heroes? 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 (96.06%), with wins capped at its top multiplier (5,640×).

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.

Where to play Book of Heroes

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Compare Book of Heroes with other games

	Book of Heroes Score 72This game	Cash of Kingdoms Score 70	Fire & Steel Score 63	Blades of the Abyss Score 56	Immortal Guild Score 75
Identity
Studio	Golden Rock Studios	Slingshot Studios	Betsoft	Nucleus Gaming	Push Gaming
Released	9/15/2021	10/10/2018	7/24/2017	12/6/2017	12/18/2018
Math
RTP	96.06%	96.28%	95.12%	95.21%	96.54%
Volatility	High volatility	Low volatility	Medium volatility	—	Low volatility
Max win	5,640×	—	1,385×	—	50,000×
Format
Reels	5	5	5	5	5
Layout	5x3	5x3	5x4	5x3	5x4
Paylines	10	15	20 (Bothway)	20	1024
Min bet	0.1	0.15	0.2	0.4	0.25
Max bet	40	480	80	100	100
Features
Progressive	—	—	—	—	—
Wild symbol	✓	✓	✓	✓	✓
Free spins	✓	✓	—	✓	✓
Scatter symbol	✓	✓	—	—	✓
Multiplier	—	✓	✓	—	✓
Bonus game	—	—	—	—	—
Respins	—	—	—	—	✓

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

Comparing against

Book of Heroes

Golden Rock Studios

RTP

96.06%

Max win

5,640×

Score

+ Multiplier− Free Spins− Scatter

+ Multiplier+ Respins

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