3 Oaks

Coin Volcano

A compact volcanic bonus game without conventional pay symbols

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

95.66%

return to player

Volatility

Medium volatility

variance

Max win

2,551×

top multiplier

Min bet

$0.10

per spin

Reels

grid

Player rating

4.1 ★

14 votes

DEMO Play free, no signup

3 Oaks

Embed on your site

4.1 / 5

14 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 & RTP8/10

RTP 95.66% → 8.0/10

Volatility8/10

medium → 8.0/10

Win Potential6.8/10

x2551.00 (2551×) → 6.8/10

Features9/10

11 features → 9.0/10

Game Mechanics5.6/10

f=11 r=3 → 5.5/10

Context signals (tie-breakers)

Layout4/10

3x3 → 4.0/10

Bet Flexibility6/10

0.1–60 (×600) → 6.0/10

Provider Reputation6.3/10

provider avg 6.3 → 6.3/10

Popularity0/10

synthetic proxy → 0.0/10

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: 62 — Coin Volcano by 3 Oaks

https://slotranker.com/3-oaks/coin-volcano#score

How to cite

Slot Summary

Released in August 2023, Coin Volcano makes its 95.66% RTP less important than the wager model around it. The compact 3x3 game removes standard pay symbols and regular paylines, directing outcomes toward bonus modes instead. That choice turns a familiar volcanic presentation into a stripped-down Hold and Win title with medium volatility and a wide 0.1 to 60 stake range.

How It Plays

Each round uses a 3x3 grid without regular pay symbols or standard paylines. Instead of reading combinations across lines, the player waits for bonus-focused outcomes.

The stake control runs from 0.1 to 60, giving the compact format a much wider monetary range than its small grid might suggest.

Theme & Atmosphere

Fire and Treasure frame Coin Volcano as a reward chamber under volcanic pressure, with lava and tropical-island cues supplying the setting rather than narrative characters.

The presentation draws on Hawaiian and volcanic imagery, but the compact grid keeps the scenery secondary to symbols tied to the bonus modes.

Fire Treasure

Features & Win Potential

Hold and Win is the defining feature, joined by Cash Collector and Fixed Jackpots. The absence of ordinary pay symbols concentrates attention on these named bonus mechanisms.

Mystery symbol and Random multiplier functions add uncertainty inside that feature-led design, while medium volatility places the overall result profile between calmer and more abrupt patterns.

Multiplier Medium volatility Bonus Game 3 Reels Bonus symbols Hold and Win Random multiplier Fixed Jackpots Cash Collector Mystery symbol Prize Line

Bonus & Free Spins

The Bonus Game is not an optional side route here because the game sends its payouts into bonus modes. Hold and Win therefore carries more weight than it would in a conventional payline slot.

Spec sheet

Coin Volcano at a glance.

Identity

Slot nameCoin Volcano

Studio3 Oaks

Released8/1/2023

Math

SlotRanker Score62

RTP95.66%

VolatilityMedium volatility

Max win2,551×

Bet range$0.10 – $60.00

Player rating4.1 / 5 · 14 votes

Format

Reels3

Paylines—

Layout3x3

Features

Themes

Expected average based on this slot's 95.66% RTP — individual sessions vary with volatility.

Bet per spin

Spins per hour400

Session length (hours)

Cost per hour$1.74

Cost per session$1.74

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 Coin Volcano? 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

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 (95.66%), with wins capped at its top multiplier (2,551×).

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 Coin Volcano

No matching casinos for your region yet

Casino availability depends on where you play from. We only show casinos that accept players from your country.

Compare Coin Volcano with other games

	Coin Volcano Score 62This game	Emberfall Score 88	Cleo's Book Score 87	Fireborn Score 86	Shake Your Mummymaker Score 85
Identity
Studio	3 Oaks	SlotMill	Belatra Games	Backseat Gaming	Rival Gaming
Released	8/1/2023	11/9/2024	10/21/2022	10/17/2023	9/30/2024
Math
RTP	95.66%	96.1%	96.01%	96.18%	96.56%
Volatility	Medium volatility	High volatility	High volatility	High volatility	High volatility
Max win	2,551×	15,000×	50,000×	15,000×	—
Format
Reels	3	6	5	5	5
Layout	3x3	6x5	5x3	5x4	5x3
Paylines	—	Pay Anywhere	3125	19	243
Min bet	0.1	0.2	0.2	0.1	0.3
Max bet	60	60	50	100	30
Features
Progressive	—	—	—	—	—
Wild symbol	—	—	✓	✓	✓
Free spins	—	✓	✓	✓	—
Scatter symbol	—	✓	✓	✓	—
Multiplier	✓	✓	✓	✓	✓
Bonus game	✓	✓	—	—	✓
Respins	—	—	—	✓	✓

Every number is shown as a delta against Coin Volcano.

Comparing against

Coin Volcano

3 Oaks

RTP

95.66%

Max win

2,551×

Score

+ Free Spins+ Scatter

+ Wild+ Free Spins+ Scatter− Bonus Game

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

Shake Your Mummymaker

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