Skip to free demo
Coin Volcano 2 slot artwork

Free demo & independent review

Coin Volcano 2 Slot Review

Coin Volcano 2 keeps a row-filling entry condition but places the bonus on a taller three-by-five field. Sticky Coins build towards entry, while Volcano multipliers and three purchase options change the collection phase.

3 Oaks Gaming18+ · Demo play only

Coin Volcano 2 Free Demo

Free demoCoin Volcano 2 – Slot Review3 Oaks Gaming
Plays here
Coin Volcano 2: Tall three-by-five field and the middle row
Free play · opens here

No sign-up · no deposit · full screen available

Free demo availableSound controls stay inside the game
No account. No deposit. Virtual credits only.How to play
SlotsCollector EditorialReview updated How we review

Know this game

Coin Volcano 2 at a glance

Coin Volcano 2 uses a three-by-five field. Filling its middle row with symbols triggers a Bonus Game starting with three respins.

Explore the features 5

Inside the game

How Coin Volcano 2 works

The middle row is the entry target

The middle row is the entry target

A Sticky Coin remains on the reels until the bonus is triggered. This gives the entry process a persistent element: a held coin can remain relevant across attempts rather than disappearing with every ordinary spin.

Once inside the bonus, the important target changes from that middle row to the whole field. The taller board has 15 positions, and filling all of them may award Grand.

Ordinary coins, Mystery and Collect

Bonus Coins carry values and can include Mini, Minor or Major jackpots. Mystery Jackpot reveals a jackpot prize, while ordinary Mystery can become a Bonus or jackpot symbol.

Collect gathers the values currently on the board. It is an action on those prizes, whereas Mystery resolves the identity or value of a symbol before that result can be read.

The provider's native instruction panel shows both Mystery branches and the Collect action. Keeping the two Mystery types separate prevents an ordinary Mystery from being described as a guaranteed jackpot.

Volcano multipliers can combine on one position

The Volcano Multiplier feature can erupt at any moment and place up to nine multipliers on the reels. If more than one reaches the same spot, their values combine.

The illustrated bonus board shows multiple modified cells alongside ordinary prize coins. A cell modifier and a coin's own value are distinct parts of the display; a multiplier number is not itself a separate cash prize.

The retained description does not supply an activation probability or every respin-reset exception. The guide explains the documented three-respin start and combining modifiers without importing timing rules from another Volcano title.

Ultra and Boost make different promises

Ultra Bonus can trigger randomly and guarantees Volcano multipliers. Boost Bonus also guarantees that feature, with its multipliers starting at an increased 5× value.

Boost is available only through Buy Bonus in selected regions. It should therefore be compared as a paid entry with particular starting conditions, rather than assumed to be a random upgrade that any ordinary bonus can receive.

Neither guarantee promises a specific final total. A stronger multiplier setup changes the board's conditions, while the arriving prize symbols and full-board completion remain separate parts of the outcome.

Read the three illustrated purchase prices correctly

At the €10 spin setting in the official menu, Bonus Game costs €500, Ultra costs €1,000 and Boost costs €3,000. These correspond to 50×, 100× and 300× that pictured base stake.

Those prices are configuration-specific examples. The current menu determines whether the same options and cost multiples are available in the selected region; the screenshot does not establish a universal bet range.

The provider lists Grand at 500 times the bet. A full-board image shows 15 occupied positions and a zero respin counter, explaining the completion state without implying that the pictured Grand result is representative.

03 / The details

Coin Volcano 2 game facts

Catalog figures and in-game observations.
Settings may differ by version and casino.

Reels & wins

Reel layout
3×5
Game type
Slot

Bonus features

Jackpot
Available

Release & devices

Release date
7 Aug 2025

The illustrated provider configuration may differ in stakes and available entry modes. Feature rules below are scoped to the provider's published description.

04 / The SlotsCollector take

Verdict

Coin Volcano 2 has a clear change of objective between phases. Sticky Coins help establish the middle-row entry, then the bonus uses the full tall field for collection, Mystery resolution and multiplier placement.

Its purchase menu makes the distinction between Ultra and Boost concrete: guaranteed Volcano activity is shared, while Boost raises the starting multiplier condition at a higher illustrated cost. That comparison is more useful than treating all three menu entries as interchangeable shortcuts.

05 / Inside the game

Coin Volcano 2 game illustrations

Provider illustrations and reviewed game artwork.
Select any image to enlarge.

06 / Quick answers

Coin Volcano 2 FAQ

Looking for the numbers?
See all game facts

What triggers the bonus?

Filling the middle row with symbols; the Bonus Game begins with three respins.

How long does a Sticky Coin remain?

The provider says it stays until the bonus is triggered.

How do the two Mystery types differ?

Mystery Jackpot reveals a jackpot, while ordinary Mystery can reveal a Bonus or jackpot symbol.

What is special about Boost Bonus?

Its guaranteed Volcano multipliers start at 5×, and the mode is purchase-only in supported regions.

What are the pictured purchase costs?

At a €10 spin, the official menu shows €500 for Bonus, €1,000 for Ultra and €3,000 for Boost. These are scoped examples.

Sources & data verification

How we verified Coin Volcano 2

We reviewed first-party game documents and provider material. The facts below retain their source and configuration; this review does not certify a current playable demo.

Provider sources checked3 Oaks Gaming

Provider material reviewed
View checked sources1
Coin Volcano 2 — provider product information

3 Oaks Gaming

Why we used it

Exact-game provider-declared information; no assertion of the active demo configuration.

Technical verification details

Inspection coverage

  • Retained provider product information and explicitly selected supplemental material — Document-backed review; no new runtime traversal or demo verification.

Want the full methodology? See how SlotsCollector reviews games

More to play

More games from 3 Oaks Gaming

Explore all slot reviews