Coin Volcano by 3 Oaks Gaming is a thrilling online slot that brings the heat of an erupting volcano straight to your screen. Released in August 2023, this 3x3 grid slot stands out with its bold Hold and Win mechanics, eye-catching visuals, and an explosive theme centered around molten coins and fiery jackpots. Instead of traditional slot symbols, players are greeted by coins, mystery icons, and special bonus features, all designed to maximize excitement and winning potential. With its easy-to-understand gameplay, dynamic bonus rounds, and the chance to win up to 2,551 times your bet, Coin Volcano offers an engaging experience for both newcomers and seasoned slot enthusiasts looking for non-stop action and big rewards.
| Attribute | Details |
|---|---|
| Slot Title | Coin Volcano |
| Release Date | August 10, 2023 |
| Developer | 3 Oaks Gaming |
| Theme | Volcano, Coins, Fire |
| RTP | 95.66% – 95.67% |
| Volatility | Medium |
| Bonus Feature | Bonus Game, Ultra Bonus Game, Bonus Buy, Sticky Coins, Mystery Symbols, Volcano Multipliers, Coin Collect |
| Multipliers | Up to 9x (Volcano Multipliers) |
| Jackpots | Mini (10x), Minor (20x), Major (50x), Grand (500x), Max Win up to 2,551x or 25,000x (varies by source) |
| Min. Max. Bet | $0.10 – $50 or $60 (varies by casino) |
| Reels | 3 |
| Rows | 3 |
| Paylines | No fixed paylines, pays anywhere |
| Layout | 3x3 grid |
Coin Volcano by 3 Oaks Gaming is packed with fiery features that keep every spin full of suspense and potential. Players can expect a dynamic mix of special coin symbols, mystery icons, and powerful bonus rounds—all set against the dramatic backdrop of an erupting volcano. With a Hold and Win mechanic at its core, the slot focuses on unlocking bonus games where sticky coins, multipliers, and jackpots take center stage. There are no traditional paylines, instead, wins are determined by landing the right combination of symbols, especially during the game's lucrative bonus modes. Whether you’re chasing instant coin prizes, hoping for a mystery reveal, or aiming for the Grand Jackpot, Coin Volcano ensures every session is an eruption of excitement and big-win potential.
Sticky Coin symbols are a standout feature in Coin Volcano, offering players a chance to secure valuable multipliers even before the main bonus rounds begin. These coins can randomly appear on the reels during base play, always displaying a multiplier value ranging from 5x to 9x your total bet. What makes them unique is their persistence—they lock onto the reels, specifically the middle row, and remain in place until either the Bonus Game or Ultra Bonus Game is triggered. This not only heightens anticipation but also increases your odds of activating a bonus round, as filling the middle row is the key to entering these lucrative features. Sticky Coins do not reset with each spin, but switching your bet will clear any active Sticky Coins from the reels, so it pays to stick with your chosen wager. Their presence adds a strategic layer, as players may choose to continue spinning in hopes of triggering a bonus with valuable Sticky Coins already locked in place, maximizing potential payouts when the feature finally erupts.
Mystery Symbols add an element of surprise to every bonus round. These symbols can appear during both the Bonus Game and Ultra Bonus Game, and their true value is only revealed at the end of the feature. Regular Mystery Symbols can transform into any other symbol except Sticky Coins, potentially completing valuable combinations or triggering jackpots. The Mystery Jackpot symbol is even more exciting, as it can only turn into one of the Mini, Minor, or Major Jackpot symbols, providing a suspenseful reveal that can lead to significant wins. This delayed transformation keeps players on the edge of their seats, as the final outcome of the bonus round can change dramatically in the last moments. The anticipation and unpredictability of the Mystery Symbols make every bonus round feel fresh and engaging, with the potential for big surprises at the finish.
The Coin Collect symbol, depicted as a burning volcano vent, is a powerful addition to the bonus rounds. When it lands during the Bonus Game or Ultra Bonus Game, it instantly gathers all coin and jackpot values currently displayed on the reels, adding them to your total winnings. If any multipliers are present on the collected symbols, these are applied before the collection, boosting your payout even further. After performing its collection, the Coin Collect symbol remains on the reels until the end of the bonus round, giving you the chance to trigger this feature multiple times in a single session. This mechanic not only accelerates the pace of the bonus games but also offers a satisfying sense of accumulation, as each Coin Collect can lead to a significant jump in your total win.
The Volcano Multipliers Feature is one of the most explosive aspects of Coin Volcano. Triggered randomly during the Bonus Game or Ultra Bonus Game, this feature sees the volcano erupt and shoot lava multipliers onto the reels. Between one and nine random reel positions can receive multipliers ranging from 1x to 9x. If multiple multipliers land on the same spot, their values are combined, creating the potential for substantial boosts to your winnings. These multipliers are applied to coin and jackpot prizes at the end of the bonus round, ensuring that even modest wins can be transformed into major payouts. The unpredictability and dramatic visual effect of the volcano eruption keep players engaged, and the potential for multiple multipliers landing at once adds a thrilling layer of excitement to every bonus game session.
The Bonus Game is the heart of Coin Volcano’s Hold and Win mechanic. It is triggered when any three symbols land on the middle row of the 3x3 grid. Once activated, all symbols on the screen become sticky, and players are awarded three respins. Each time a new symbol lands in an empty cell, the respin counter resets to three, extending the round and increasing your chances of filling the grid. The bonus round continues until either all nine positions are filled or no respins remain. During this feature, players can land regular coins, jackpot symbols, mystery symbols, and multipliers, all of which contribute to the final payout. If you manage to fill every position on the grid, the coveted Grand Jackpot is awarded, delivering a massive 500x your total bet. The Bonus Game is where the majority of big wins occur, making it a highly anticipated event for every player.
The Ultra Bonus Game is an enhanced version of the standard Bonus Game, offering even greater winning potential. This feature can be triggered randomly during base play, typically when the middle row is filled with symbols. What sets the Ultra Bonus Game apart is the guarantee of at least one Volcano Multipliers eruption at the start, with a higher chance of additional multipliers being triggered throughout the round. The mechanics are otherwise similar to the regular Bonus Game, with sticky symbols, respins, and the possibility of landing all the special icons. The increased frequency of multipliers means that Ultra Bonus Games can deliver much larger payouts, making this feature especially attractive to players seeking the biggest possible wins. The anticipation of entering the Ultra Bonus Game, combined with its explosive rewards, ensures it remains a highlight of the Coin Volcano experience.
For players who prefer immediate action, Coin Volcano offers a Bonus Buy feature. This allows you to purchase direct entry into either the Bonus Game or the Ultra Bonus Game for a set price—typically 60x your bet for the Bonus Game and 150x your bet for the Ultra Bonus Game, though exact costs may vary by casino. When using Bonus Buy, the feature is triggered instantly at your current bet level, bypassing the need to wait for a natural activation. However, it’s important to note that Sticky Coins present on the reels do not participate in purchased bonus rounds, and there is no guarantee of winning back more than the price paid for the feature. This option is perfect for players who crave the excitement of bonus rounds without delay, offering a fast track to the game’s most lucrative features and the chance to chase big wins at any moment.
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