Key specs
| Provider | 3 Oaks Gaming |
| Released | August 2023 |
| Grid / pay rule | 3×3 · Not published |
| RTP | Not published · Not published |
| Volatility | Not published |
| Max win | Not published |
| Top multiplier | Not published |
| Free spins | None stated |
| Ante bet | None stated |
| Bonus buy | None stated |
| Bet range | Not published |
How the game works
- Middle-row trigger. Three matching symbols across the centre row of the 3×3 grid launch the BONUS GAME, which starts with three respins.
- Sticky Coin. Once it lands, this coin remains locked in place until the respins begin. Its presence makes a bonus start more likely.
- Respin symbols. Bonus symbols carrying different values can land, as can Mini, Minor and Major jackpot prizes. A Mystery Jackpot symbol reveals one of those three, while a Mystery symbol can change into any symbol except the Sticky Coin.
- Collect symbol. When it appears, every coin value currently showing is gathered together.
- Grand jackpot. Covering the whole grid during the respins can pay the Grand, set at x500.
- Volcano Multiplier Feature. It can switch on at random while respins run, scattering between one and nine volcano multipliers over the reels.
- Ultra Bonus and Volcano Metre. The Ultra Bonus Game is triggered by chance and begins with a Volcano Multiplier Feature already guaranteed. Separately, a Volcano Metre grows with each symbol on an active line and launches the bonus once it is full.
Read strategies for Original →
Version features
- 3×3 grid on a volcanic island
- Three-symbol middle row starts three respins
- Sticky Coin, Collect and Mystery symbols
- Mini, Minor and Major jackpots, plus a Grand at x500
- Volcano Multiplier Feature with one to nine multipliers
Where it is available
Coin Volcano is an online slot by 3 Oaks Gaming, reached through casino operators that carry the studio's catalogue. Whether it can be played for real money in your location is decided by the operator and by local rules, and some regions are restricted. This page explains how the game works and is not a place to play it.
Coin Volcano is released by 3 Oaks Gaming, so whether a casino can offer it depends on the studio’s own territory list: any country not named below is open.
Available in all other countries (132)
Only through operators holding a local licence (3)
Not available (63)
Player reviews
Tried Coin Volcano because the artwork caught my eye. Ended up staying for the respin feature. The screen's so small that I thought I'd get bored, but those moments where you're waiting for one more coin are genuinely tense. Nice surprise.
Mir gefällt, dass man bei den drei Walzen sofort den Überblick hat. Die klebenden Münzen machen neugierig auf den Bonus. Große Gewinne gab's bei mir noch nicht, aber langweilig ist es nicht.
I usually skip slots with really busy screens, so this one was a pleasant change. The volcano animation has a nice punch to it. Would love to see the respins show up a bit more often though.
The base game is pretty quiet at times, no point pretending otherwise. Still, when those sticky coins turn up I pay attention again. Clean layout, decent sound, not overdone.
Jeg kan godt lide det lille spillefelt, man mister ikke overblikket. Vulkanen gør bonusrunden mere spændende, især når der kommer multiplikatorer. Har ikke ramt noget stort endnu.
Coin Volcano keeps things simple, which I actually like. The tiny grid makes the coins easy to follow, and that volcano multiplier gives the bonus a bit of suspense. Nothing massive won yet.
J'aime bien ce format tout petit, ça change des machines pleines de symboles partout. Le bonus avec les pièces est sympa à suivre. Pour le moment, mes gains restent plutôt modestes.
Coin Volcano has a proper old-school feel, in a good way. No huge reel setup, no twenty things flashing at once. The meter filling up is probably my favourite little detail.
Slow start, then a mystery coin saved the mood with a small payout. That was a nice surprise. Not a big one, mind you.
Looks good and the rules are easy to pick up, but I had a long stretch where almost nothing happened. The respin idea is decent; I just wanted a bit more action between bonuses.