All For One Studios

Book of Captain Silver

Slots Video Slots Action & Adventure Book Sea Treasure Exploration Pirate

Pirate Book slot split between expansions and jackpots

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

94.24%

return to player

Volatility

High volatility

variance

Max win

10,000×

top multiplier

Min bet

$0.10

per spin

Reels

10 lines

Player rating

4.6 ★

9 votes

DEMO Play free, no signup

All For One Studios

Embed on your site

4.6 / 5

9 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 & RTP6/10

RTP 94.24% → 6.0/10

Volatility9/10

high → 9.0/10

Win Potential8/10

x10000.00 (10000×) → 8.0/10

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

0.1–25 (×250) → 6.0/10

Provider Reputation7.1/10

provider avg 7.1 → 7.1/10

Popularity2.5/10

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 Captain Silver by All For One Studios

https://slotranker.com/all-for-one-studios/book-of-captain-silver#score

How to cite

Slot Summary

Ten fixed paylines across five reels give Book of Captain Silver a familiar Book slot format, but its Pirate and Sea setting moves the search for an expanding symbol onto a treasure hunt. All For One Studios divides the high-volatility game between two major outcomes: Free Spins with a selected expanding symbol, and Captain's Wheel with fixed jackpot awards. The 94.24% RTP configuration places more emphasis on waiting for those feature events than on the base game.

How It Plays

Wins use 10 fixed paylines across the five-reel grid. The Book acts as both Wild and Scatter, connecting routine line formation with access to Free Spins.

The base game also collects qualifying Book symbols toward Captain's Wheel. This creates a second objective that can develop independently of an immediate Free Spins trigger.

Theme & Atmosphere

Pirate, Sea, Exploration, and Treasure elements give the familiar Book format a nautical identity, replacing the category's usual tomb hunt with a captain's voyage.

The adventure framing extends beyond the title because the wheel, collected books, and treasure awards all support the same search motif throughout regular and feature play.

Action & Adventure Book Sea Treasure Exploration Pirate

Features & Win Potential

The Book symbol substitutes as a Wild and also serves as the Scatter for Free Spins. Its dual role makes one symbol responsible for both line completion and feature entry.

A selected regular symbol becomes the Expanding Symbol during Free Spins. Captain's Wheel supplies a separate Spin The Wheel result, so expansion and fixed jackpots remain distinct paths.

High volatility Free Spins Scatter Symbol Wild Symbol 5 Reels Book Of...Symbols collection (Energy)Expanding Symbols RTP range 10 Paylines Bonus wheel Spin The Wheel

Bonus & Free Spins

Free Spins begin with 10 awarded spins and a randomly selected expanding symbol. When that symbol appears, it can expand across its reel before wins are evaluated.

Captain's Wheel can trigger separately and awards one fixed jackpot. Its four documented prize levels culminate at 10000x, which also represents the game's maximum win.

Spec sheet

Book of Captain Silver at a glance.

Identity

Slot nameBook of Captain Silver

StudioAll For One Studios

Released8/9/2021

Math

SlotRanker Score61

RTP94.24%

VolatilityHigh volatility

Max win10,000×

Bet range$0.10 – $25.00

Player rating4.6 / 5 · 9 votes

Format

Reels5

Paylines10

Layout5x3

Features

Themes

Expected average based on this slot's 94.24% RTP — individual sessions vary with volatility.

Bet per spin

Spins per hour400

Session length (hours)

Cost per hour$2.30

Cost per session$2.30

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 Captain Silver? 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 (94.24%), with wins capped at its top multiplier (10,000×).

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 Captain Silver

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Compare Book of Captain Silver with other games

	Book of Captain Silver Score 61This game	Book of Blackeye’s Bounty Score 78	The Black Book of Pirates Score 75	Tome of the Lost Score 73	Book of Corsairs Score 72
Identity
Studio	All For One Studios	Indigo Magic	Apparat Gaming	Play'n Go	1spin4win
Released	8/9/2021	8/24/2023	10/12/2022	2/24/2025	9/28/2023
Math
RTP	94.24%	96.04%	96.14%	96%	97.07%
Volatility	High volatility	High volatility	High volatility	High volatility	High volatility
Max win	10,000×	8,000×	5,000×	2,000×	2,000×
Format
Reels	5	5	5	6	5
Layout	5x3	5x3	5x3	6x5	5x3
Paylines	10	10	10	Cluster Pays	243
Min bet	0.1	0.1	0.1	0.1	0.1
Max bet	25	100	100	100	50
Features
Progressive	—	—	—	—	—
Wild symbol	✓	✓	✓	✓	—
Free spins	✓	✓	✓	✓	✓
Scatter symbol	✓	✓	✓	✓	✓
Multiplier	—	—	—	—	—
Bonus game	—	—	✓	—	—
Respins	—	—	✓	—	—

Every number is shown as a delta against Book of Captain Silver.

Comparing against

Book of Captain Silver

All For One Studios

RTP

94.24%

Max win

10,000×

Score

Book of Blackeye’s Bounty

The Black Book of Pirates

+ Bonus Game+ Respins

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