Let the fire fly and have the most unforgettable experience in Coin Volcano from 3 Oaks Gaming. Released in August 2023, this slot is ready to unleash big wins. The slot boasts an exciting Hold & Win bonus game and an even more exciting ultra-bonus game, with Coin Volcano raising the bar for online gaming. Keep an eye out for the volcano multipliers and mystery symbols and try to hit one of the four jackpots. Join me on this explosive adventure from 3 Oaks Gaming!
- Exciting 3x3 Hold & Win gameplay.
- Stunning visual and sound design.
- Lots of bonus features with significant winning potential.
- Ability to make purchases directly in bonus rounds.
- RTP of 95.66% is slightly below the industry average.
- Average volatility may not suit all players.

Title: | Coin Volcano |
Provider: | 3 Oaks Gaming (Booongo) |
Game Type: | Free Slots |
Volatility: | Medium |
RTP: | 95.66% |
Min Bet / Max Bet: | 0.10 - 50 |
Max Win: | 2,551x |
Reels: | 3 |
Rows: | 3 |
Autoplay: | yes |
Progressive jackpot: | no |
Free Spins: | no |
Features: | Bonus Buy, Fixed Jackpot, Multiplier, Re-Spins |
Released: | August 2023 |
Coin Volcano Slot Review
Ready to dive into the very essence of Coin Volcano, a video slot that is filled with riches and treasure? 3 Oaks Gaming have prepared for another action-packed release by introducing Coin Volcano in August 2023. This cute little reel-based game contains some pretty explosive bonuses, jackpots scattered throughout its 3x3 layout, three reel slots with gorgeous graphics, and addictive gameplay that keeps the player in suspense. But that's not all there is to it. In this review, I'll cover the main aspects of Coin Volcano, from the theme and design to the unique mechanics and bonus features.

General Characteristics
Theme and story
Coin Volcano takes players to places with extreme volcanic conditions, where you have to endure the heat to uncover treasure. This is because the theme of the game is fire and lava, so the situation can get very tense. Imagine spinning the reels while you are just standing on the edge, watching the volcano that is about to erupt.
Visual and Audio Design
Coin Volcano's visual design is stunning with its gorgeous graphics that do a good job of adapting the volcanic theme. The reel action takes place against the backdrop of a fiery volcano, from which lava continues to flow and smoke billows. The symbols/substrate look like melted coins or any other icon that fits in with this fiery image. Equally complementary is the sound, where dramatic music and sound effects further enhance the experience.
Technical data table
Characterisation | Description |
RTP | 95.66% |
Volatility | Medium |
Max Win | 2.551x |
Layout | 3x3 |
Release Date | August 2023 |
Coin Volcano Game mechanics
Slot Type
Coin Volcano features a set of 3x3 reels, but there are no traditional paylines in the game. Instead, it's all about special symbols and bonus features that contribute to the gameplay. Compared to most online slots, this makes the game completely different and even more exciting or unpredictable.

Special symbols
- Sticky Coin Symbol: this symbol remains on the reels until it activates the bonus feature. It appears only in the main game and increases the chances of activating the Bonus or Ultra Bonus game.
- Mystery symbols: they can transform into any other symbol except the sticky coin, which adds an element of surprise to the game.
- Jackpot symbols: these symbols can represent MINI, SMALL or BIG jackpot prizes, offering players plenty of opportunities to win big.
Bonus Features
- Hold & Win Bonus Game: activated when three symbols fall on the middle reel. Three respins are granted, and with each new sticky symbol the respins reset. The coin value accumulates in the win counter and is paid out at the end of the round.
- Ultra Bonus Game: an extended version of the bonus game with guaranteed multipliers that is triggered randomly, or players can also buy it. The multipliers can really boost your overall winnings.
- Mystery symbols, mystery jackpot symbols: these are symbols that transform into other symbols or jackpot prizes to establish different levels of interest and probability of big winnings.
- Volcano multiplier feature: these can appear randomly on the reels during the bonus game and significantly increase the potential winnings.

Activation Strategies
The sticky coin symbol should be watched out for during the main game, as it can increase your chances of participating in the bonus or ultra bonus game. You can also use the buy-in feature if you feel the stars are lining up in your favour to instantly gain access to the bonus rounds.
Coin Volcano Potential Wins
The Coin Volcano slot has great winning potential, especially during the bonus rounds. Maximum winnings of 2551 times your bet are achieved with various multiplier actions and jackpots backing you up. For example, when the GRAND JACKPOT is played, there is a huge chance of winning a large sum of money, hence the high excitement in the game.
Conclusion
Coin Volcano by 3 Oaks Gaming is truly an adrenaline-fuelled game, revealing various very exciting elements within the slot. Stunning graphics, addictive gameplay, and plenty of bonus features make this game worthy of any slot machine fan's attention. Whether you are a casual player or a high roller, Coin Volcano is sure to appeal to every player. If you're looking for games where you can experience additional features, you might want to explore buy the bonus slots, which offer the opportunity to directly purchase bonus rounds.