Coin Volcano 2 review: 3x5 grid, 4 jackpots, Grand 500x
- 95.76%RTP
- Grand 500xMax win
- 3x5Layout
- Medium to highVolatility

Coin Volcano 2 arrived on August 7, 2025, carrying the coin-collect DNA of Coin Volcano onto a 3x5 grid. The useful question is less “is it better?” than “what did the trade buy?” The answer: a wider board where filling the middle row with bonus symbols starts the Bonus Game, up to nine volcano multipliers that combine when they share a cell, a Boost Bonus Game sold through Buy Bonus in select regions, and the same four fixed jackpots (Mini 10x, Minor 20x, Major 50x, Grand 500x for all 15 positions). The top jackpot is 500x, against the original’s advertised 2,551x max win, and the bet range runs $0.10-$100.

Spec sheet
| Features | Coin Volcano 2 |
|---|---|
| Provider | 3 Oaks Gaming |
| Release date | August 7, 2025 |
| Layout | 3x5 |
| Paylines | 1 |
| RTP | 95.76% |
| Volatility | Medium to high |
| Bet range | $0.10-$100 |
| Max win | 500x (Grand) |
| Jackpots | 4 tiers incl. Mini 10x, Minor 20x, Major 50x, Grand 500x (may vary by casino version) |
| Features | Hold and Win, Sticky Coins, Jackpot Coins, Mystery Symbols, Mystery Jackpot, Coin Collect, Volcano Multipliers, Ultra Bonus, Boost Bonus Game, Bonus Buy |
| Free spins | No |
| Demo | Yes |
| Mobile | Android / iOS |
Coin Volcano vs Coin Volcano 2
| Criterion | Coin Volcano | Coin Volcano 2 |
|---|---|---|
| Grid | 3x3, 1 payline | 3x5 |
| Ceiling | Max win 2,551x | Top jackpot 500x |
| Bonus structure | Bonus Game + Ultra Bonus Game | Bonus Game + Ultra Bonus Game + Boost Bonus Game (Buy Bonus only) |
| Fixed jackpots | 4 (Mini through Grand) | 4 (Mini through Grand, Grand fills all 15 positions) |
| Bets | $0.10-$60 | $0.10-$100 |
| Multipliers | One to nine volcano multipliers | Up to nine, combining on the same cell |
The choice comes down to one trade-off. The original concentrates its potential in a rare, tall peak; the sequel builds rounds out of stacking multipliers on a wider board, under a 500x top jackpot. If you play for the feeling of progression inside the bonus, take the sequel. If you play for the ceiling, stay with the original.
Before you stake anything
Compare both rhythms in demo first: Coin Volcano 2 demo and the original’s demo . On Android, access runs through an operator APK or the browser . Jackpot values and Bonus Buy availability shift with the casino’s installed version, so read the paytable in the lobby. The sequel’s full product spec is itemized on the slot fact sheet , and the round flow from trigger to Ultra Bonus on the game guide . For US players: real-money access exists only via state-licensed operators in the iGaming states (21+), and the studio’s slots are a rare find even there. Everywhere else, the demo is the reliable route. If gambling is becoming a problem, call or text 1-800-GAMBLER.
Want the sequel on your phone? The app page covers how the browser and an operator’s own app handle a release this recent. The RTP page answers the comparison question the sequel raises: the headline return sits a tenth of a point above the original’s, so the page prices what the extra bonus layers cost you per thousand spins.
