Spinomenal

Book of Lucky Jack The Lost Pearl

Slots Video Slots Action & Adventure Mythology Book Gems Fish Sea Treasure Exploration

Lucky Jack's underwater search for a mythological pearl

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

96.01%

return to player

Volatility

—

variance

Max win

10,000×

top multiplier

Min bet

$0.10

per spin

Reels

10 lines

Player rating

4.1 ★

13 votes

DEMO Play free, no signup

Spinomenal

Embed on your site

4.1 / 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 & RTP9/10

RTP 96.01% → 9.0/10

Volatility8/10imputed

imputed medium (unknown) → 8.0/10

Win Potential8/10

x10000.00 (10000×) → 8.0/10

Features8.5/10

12 features → 8.5/10

Game Mechanics5.1/10

f=12 r=5 p=10 → 5.1/10

Context signals (tie-breakers)

Layout6/10

5x3 → 6.0/10

Bet Flexibility6/10

0.1–100 (×1000) → 6.0/10

Provider Reputation5.7/10

provider avg 5.7 → 5.7/10

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: 73 — Book of Lucky Jack The Lost Pearl by Spinomenal

https://slotranker.com/spinomenal/book-of-lucky-jack-the-lost-pearl#score

How to cite

Slot Summary

A newly selected expanding symbol on each free spin gives Book of Lucky Jack The Lost Pearl its particular take on the book format. Spinomenal places that changing opportunity inside an underwater treasure hunt, following Lucky Jack in search of Aphrodite's lost pearl. The maritime story supplies the identity; changing expansion targets supply the bonus tension.

How It Plays

Regular wins start on the leftmost reel and follow the active paylines. Only the highest combination on each line pays, while qualifying wins on different lines are added together.

The book performs both substitution and trigger duties. Its wild function helps regular combinations, while scattered appearances can award a separate prize as well as activating free spins.

Theme & Atmosphere

Lucky Jack's objective is the lost pearl of Aphrodite, hidden beneath the ocean and guarded by sirens. That premise joins treasure exploration with a specific mythological object.

The underwater setting makes the book an entry point into maritime adventure. Jack is presented as a treasure seeker confronting the sea's guardians, giving the pearl a narrative role beyond its value.

Action & Adventure Mythology Book Gems Fish Sea Treasure Exploration

Bonus & Free Spins

Landing 3 or more scattered book wilds awards 10 free spins. Expansion is evaluated after the initial result and occurs only when it creates a win, including combinations on nonconsecutive reels.

Spec sheet

Book of Lucky Jack The Lost Pearl at a glance.

Identity

Slot nameBook of Lucky Jack The Lost Pearl

StudioSpinomenal

Released9/27/2022

Math

SlotRanker Score73

RTP96.01%

Max win10,000×

Bet range$0.10 – $100.00

Player rating4.1 / 5 · 13 votes

Format

Reels5

Paylines10

Layout5x3

Expected average based on this slot's 96.01% RTP — individual sessions vary with volatility.

Bet per spin

Spins per hour400

Session length (hours)

Cost per hour$1.60

Cost per session$1.60

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 Lucky Jack The Lost Pearl? 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 (96.01%), 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 Lucky Jack The Lost Pearl

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Compare Book of Lucky Jack The Lost Pearl with other games

	Book of Lucky Jack The Lost Pearl Score 73This game	Under the Sea Score 75	Tome of the Lost Score 73	Luck of the Lamp Cashlink Score 69	Triton's Secret Score 62
Identity
Studio	Spinomenal	Betsoft	Play'n Go	iSoftbet	Mount Olympus
Released	9/27/2022	5/15/2012	2/24/2025	9/5/2024	9/6/2022
Math
RTP	96.01%	96.4%	96%	96%	96.13%
Volatility	—	Low volatility	High volatility	Medium volatility	Medium volatility
Max win	10,000×	—	2,000×	250×	180×
Format
Reels	5	5	6	5	3
Layout	5x3	5x3	6x5	5x3	3x3
Paylines	10	30	Cluster Pays	20	12
Min bet	0.1	0.6	0.1	0.2	0.1
Max bet	100	150	100	50	100
Features
Progressive	—	—	—	—	—
Wild symbol	✓	✓	✓	✓	—
Free spins	✓	✓	✓	✓	—
Scatter symbol	✓	✓	✓	✓	—
Multiplier	✓	✓	—	✓	—
Bonus game	—	✓	—	—	✓
Respins	—	—	—	—	—

Every number is shown as a delta against Book of Lucky Jack The Lost Pearl.

Comparing against

Book of Lucky Jack The Lost Pearl

Spinomenal

RTP

96.01%

Max win

10,000×

Score

Luck of the Lamp Cashlink

+ Bonus Game− Wild− Free Spins− Scatter− Multiplier

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