Bullshark Games

Captain Coil

A steampunk snake-lab cluster slot that turns arcade nostalgia into a higher-volatility Bullshark release.

Only 0.2% of slots combine Cluster Pays and Expanding Symbols.

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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

96.29%

return to player

Volatility

Medium/High

variance

Max win

15,000×

top multiplier

Min bet

$0.50

per spin

Reels

Cluster Pays lines

Player rating

4.1 ★

10 votes

DEMO Play free, no signup

Bullshark Games

4.1 / 5

10 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 96.29% → 9.0/10

Volatility9/10

high → 9.0/10

Win Potential8.4/10

x15000.00 (15000×) → 8.4/10

Features10/10

13 features → 10.0/10

Game Mechanics8/10

f=13 r=5 → 8.0/10

Context signals (tie-breakers)

Layout6/10

5x3 → 6.0/10

Bet Flexibility6/10

0.5–250 (×500) → 6.0/10

Provider Reputation7.5/10

provider avg 7.5 → 7.5/10

Popularity7.5/10

synthetic proxy → 7.5/10

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: 84 — Captain Coil by Bullshark Games

https://slotranker.com/bullshark-games/captain-coil#score

How to cite

Slot Summary

Captain Coil feels like Bullshark Games taking a familiar cluster-slot format and giving it a stronger personality. The game draws clear inspiration from classic Snake, then filters that idea through Victorian steampunk, alchemy, and a mad-scientist laboratory led by a villainous serpent figure. That gives it a more distinctive place than a standard fantasy release, with dark humour and horror whimsy doing much of the thematic work. In Bullshark's portfolio, it reads as a modern, feature-rich title for players and stream audiences who prefer visible multiplier potential, chain reactions, and medium-high volatility with room for larger bonus-round swings.

Spec sheet

Captain Coil at a glance.

Identity

Slot nameCaptain Coil

StudioBullshark Games

Released

Math

SlotRanker Score84

RTP96.29%

VolatilityMedium/High

Max win15,000×

Bet range$0.50 – $250.00

Player rating4.1 / 5 · 10 votes

Format

Reels5

PaylinesCluster Pays

Layout5x3

Features

Themes

Expected average based on this slot's 96.29% RTP — individual sessions vary with volatility.

Bet per spin

Spins per hour400

Session length (hours)

Cost per hour$7.42

Cost per session$7.42

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 Captain Coil? 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: Medium-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 (Medium-High). The model is calibrated so the average return equals this slot's published RTP (96.29%), with wins capped at its top multiplier (15,000×).

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.

Compare Captain Coil with other games

	Captain Coil Score 84This game	Ultra Cluster Kingdom Score 92	Serpentina Score 91	Pond of Plinko Score 91	Orient Story Deluxe Score 90
Identity
Studio	Bullshark Games	GameArt	Massive Studios	Print Studios	Amusnet
Released	—	9/24/2024	3/20/2025	12/10/2024	5/2/2024
Math
RTP	96.29%	—	96.53%	96.1%	97.2%
Volatility	Medium/High	High volatility	High volatility	High volatility	High volatility
Max win	15,000×	—	30,000×	30,000×	—
Format
Reels	5	8	7	5	5
Layout	5x3	8x8	7x7	5x3	5x3
Paylines	Cluster Pays	Cluster Pays	—	20	20
Min bet	0.50	0.20	0.10	0.10	0.20
Max bet	250.00	200.00	100.00	30.00	400.00
Features
Progressive	—	—	—	—	✓
Wild symbol	✓	—	✓	—	✓
Free spins	✓	✓	✓	—	✓
Scatter symbol	✓	✓	✓	✓	✓
Multiplier	✓	—	✓	✓	✓
Bonus game	—	✓	—	✓	—
Respins	—	—	—	—	✓

Every number is shown as a delta against Captain Coil.

Comparing against

Captain Coil

Bullshark Games

RTP

96.29%

Max win

15,000×

Score

Ultra Cluster Kingdom

+ Bonus Game− Wild− Multiplier

+ Bonus Game− Wild− Free Spins

+ Progressive+ Respins

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