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Coin Volcano

The Wiki Structure. The AI Accuracy.
slots/coin-volcano



Coin Volcano Quick Facts

Coin Volcano logo

Slot Name Coin Volcano
Provider 3 Oaks Gaming
Slot Type Video Slot
Theme Coins, Fire, Volcano
Release Date 2023-08-10
Rating 8.6
Demo mode Yes
Math & Mechanics
RTP 95.66%
Volatility Medium
Max Win 2,551x
Grid 3 x 3
Pay mechanics Hold and Win
Betting Range
Min. Bet $0.10
Max. Bet $50
Bonus Features
Free spins No
Bonus buy Yes
Jackpot Yes
Updated 30.03.2026

3x3 grid Coin Volcano is a video slot developed and published by 3 Oaks Gaming, released on August 10, 2023R.[1]

Coin Volcano Review

Coin Volcano is a Hold and Win slot by 3 Oaks Gaming built around a compact 3x3 grid where all symbols are coin-based specials - there are no standard pay symbols. The game features 4 fixed jackpots, Sticky Coins, Volcano Multipliers and a Buy Bonus option.

How to Play Coin Volcano

Coin Volcano uses a 3x3 grid. There are no standard paylines - wins are achieved through the Hold and Win bonus mechanic by collecting coins and jackpot symbols.

Parameter Value
Rows 3
Reels 3
Min bet $0.10R[2][3]
Max bet $50.00R[4][5]
Max win 2,551xR[4][3]
Max win in cash $153,060
Autoplay Available
Available languages English

RTP and volatility

RTP Volatility House edge
95.66%R[4][6] MediumR[4][3] 4.34%
The casino operator selects the configuration, the real RTP is typically not disclosed to the player.


Coin Volcano bonus features

Feature Description
Hold & Spin Landing 3 special coin symbols on the middle row triggers 3 respins; each new symbol resets the counter, continuing until the grid fills or respins are exhausted
Sticky Coins Coin symbols remain on the reels until the Hold and Win feature is triggered, then transfer into the bonus round
Multipliers Random Volcano Multipliers appear on reel positions, multiplying coin and jackpot values; up to 9x per position, stackable
Bonus buy Two options available: Buy the Hold and Win feature for 30x bet, or the Ultra Bonus Game with guaranteed Volcano Multipliers for 75x bet
Jackpots Four fixed jackpots - Mini (10x), Minor (20x), Major (50x), and Grand (500x bet, awarded for filling the entire board)

Coin Volcano Symbols & Paytable

Paytable

Symbol Multiplier
Regular Coin 1x - 4x bet
Mini Jackpot Coin 10x bet
Minor Jackpot Coin 20x bet
Major Jackpot Coin 50x bet
Grand Jackpot (full board) 500x bet

Coin Volcano slot coins

Special symbols

Symbol Description
Sticky Coin Remains locked on the reels across base game spins until the Hold and Win bonus is triggered, then carries over into the round
Mystery Symbol Randomly transforms into another valid symbol during gameplay, including jackpot coins or multipliers
Coin Collect A Scorching Ball symbol that instantly collects the values of all visible coins and jackpot symbols, applying active multipliers, and locks in place for the remainder of the bonus round
Volcano Multiplier A randomly awarded positional multiplier (1x-9x) that boosts the value of any coin or jackpot landing on that position; multiple multipliers on the same position stack

Coin Volcano mystery symbols

Coin Volcano demo (free play)

Coin Volcano can be played in free demo mode on SlotCatalog and several other slot review platforms without registration.

Property Value
Free play Available
Demo version Click to play

Slot series

Coin Volcano is part of 3 Oaks Gaming's Coin Volcano series.

Slot RTP
3 Coin Volcanoes 95.68%[7]
Coin Volcano 2[8]
3 Super Coin Volcanoes[9]
Slot Year RTP Max win Key difference
9 Coins (Wazdan) 2022 96.06%[10] 500x Higher RTP, same 3x3 Hold and Win concept with more winning potential
Cash Volt (Red Tiger) 2020 94.78%[11] 2,500x 5x3 grid, electric theme, cascading symbols with Hold and Win
Hot Fiesta (Pragmatic Play) 2021 95.5%[12] 5,000x 5x4 grid, higher max win, Mexican festival theme with Hold and Win

Where to play Coin Volcano?

Top countries

Coin Volcano is most popular at online casinos in the following countries:

# Country SOI Casinos
1 Mexico 0.39%
2 India 0.36%
3 Spain 0.28%
4 South Africa 0.26% Casinos in South Africa
5 Netherlands 0.16%

Coin Volcano slot reviews

Site Rating Review Demo Play
CasinoLandia 9.4 / 10 Read review Available
SlotCatalog.com 7.7 / 10 Read review Available
Casino.guru Read review Available
SlotUp Read review Available

FAQ

What is Coin Volcano RTP?
Coin Volcano has a theoretical RTP of 95.66%, which is slightly below the current industry average of 96%.
What is the maximum win in Coin Volcano?
The maximum win is 2,551x the bet. The top fixed Grand Jackpot pays 500x and is awarded by filling the entire 3x3 grid during the Hold and Win bonus round.
How are free spins triggered in Coin Volcano?
Coin Volcano does not have a traditional free spins round. Instead, landing 3 special coin symbols on the middle row triggers the Hold and Win bonus with 3 respins.
Can free spins be retriggered?
There are no free spins in Coin Volcano. During the Hold and Win round, respins reset to 3 each time a new symbol lands.
Is Coin Volcano a progressive jackpot slot?
No, Coin Volcano features 4 fixed jackpots - Mini (10x), Minor (20x), Major (50x), and Grand (500x) - none of which are progressive.
Does Coin Volcano have a bonus buy feature?
Yes, players can purchase the Hold and Win bonus for 30x bet, or the Ultra Bonus Game with Volcano Multipliers for 75x bet.
Is Coin Volcano available on mobile?
Yes, Coin Volcano is built in HTML5 and is fully compatible with iOS and Android mobile devices.

Coin Volcano screenshots

Coin Volcano slot game

Sources

The information presented is collected from the game provider's official documentation, independent testing agencies, and publicly available game data.