Coin Volcano

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Rules and Gameplay

Coin Volcano slot by 3 Oaks Gaming introduces a thrilling experience with a 3×3 reel layout, deviating from traditional slot mechanics by eliminating regular paylines. This innovative design focuses on special symbols and bonus features rather than conventional symbol combinations. Players engage with the game by placing bets ranging from $0.10 to $60 per spin, catering to a wide spectrum of bankrolls. The gameplay is centered around landing special symbols on the middle row to trigger the game’s unique features, making every spin an exciting venture into the volcanic theme of the game.

Bonus Features

Coin Volcano is packed with engaging bonus features designed to enhance the player experience and offer substantial winning opportunities:

  • Hold and Win Feature: Triggered by landing three special symbols on the middle row, providing players with 3 respins that reset with each new symbol landed.
  • Sticky Coins: Remain on the board until a feature is triggered, adding an extra layer of strategy.
  • Jackpot Coins: Offer payouts of 10x, 20x, or 50x the bet, with the potential to win the Grand Jackpot at 500x the bet.
  • Mystery Symbols: Can transform into any other symbol to help complete winning combinations.
  • Volcano Multipliers: Random multipliers that can significantly increase winnings.
  • Ultra Bonus Game: A feature with guaranteed Volcano Multipliers for even higher payouts.
  • Buy Bonus Options: Allows players to directly purchase access to the game’s bonus features for a set fee.


The Coin Volcano slot boasts a variety of special symbols, each contributing to the game’s dynamic and rewarding nature:

  • Coins: Regular symbols offering 1x-4x the bet.
  • Jackpot Coins: Special coins that provide larger payouts of 10x, 20x, or 50x the bet.
  • Mystery Symbols: Add an element of surprise by transforming into other symbols.
  • Coin Collect Feature: Instantly collects all visible coin and jackpot symbols for immediate wins.


The game’s payout structure is designed to cater to a variety of players, offering a solid 2,551x maximum win. The betting range allows for flexible gaming strategies, while the medium volatility level ensures a balanced mix of payout sizes and frequency. Although the RTP of 95.66% is slightly below the industry average, the unique gameplay and bonus features provide ample opportunities for significant wins.


Unlike traditional slots, Coin Volcano does not utilize standard paylines. Instead, the game focuses on landing specific combinations of special symbols on the middle row to trigger bonus features and winning opportunities. This innovative approach to gameplay emphasizes the game’s unique mechanics and thematic elements, offering players a refreshing and engaging experience.

Pros & Cons

Pros Cons
Innovative gameplay with unique Hold and Win mechanics Slightly below average RTP at 95.66%
Wide range of bonus features including Sticky Coins and Volcano Multipliers Lacks a strong thematic element
Playable across various devices for convenience Comparatively underperforms against similar games like 9 Coins by Wazdan in RTP and overall performance

Minimum and Maximum Bet

The Coin Volcano slot accommodates a wide spectrum of players with its betting range. Players can place their wagers starting from as low as $0.10 to a maximum of $60 per spin. This flexibility ensures that both high rollers and casual players can enjoy the game at their own pace.

Game Jackpot

The game boasts a top fixed jackpot of 500x the player’s bet, set against a medium volatility backdrop. The RTP (Return to Player) of Coin Volcano is 95.66%, which is slightly below the industry average. This combination of medium volatility and RTP suggests a balance between the frequency of wins and the size of payouts, appealing to players looking for a moderate level of risk.

About Provider

3 Oaks Gaming, the developer behind Coin Volcano, has carved a niche in the online slot market with its innovative and visually appealing games. Known for their unique themes and engaging gameplay mechanics, 3 Oaks Gaming prioritizes player experience and security, ensuring each game is both entertaining and fair.

How To Play

  • Start by setting your bet size, choosing anywhere from $0.10 to $60 per spin.
  • Spin the reels by clicking the spin button. The game features a 3×3 layout with no regular paylines, focusing instead on special symbols.
  • Trigger the Hold and Win feature by landing three special symbols on the middle row. This initiates a series of 3 respins that reset with each new symbol landed.
  • Look out for Sticky Coins, which remain on the board until a feature is triggered, transferring to it as well.
  • Collect as many coins and Jackpot Coins as possible during the respins to maximize your winnings. Filling the board with symbols can win you the Grand Jackpot of 500x your bet.
  • Take advantage of the random Coin Collect feature and Volcano Multipliers for instant wins and increased payouts.
  • Consider using the Buy Bonus options to directly access the game’s bonus features, with costs set at 30x or 75x your bet.


Coin Volcano by 3 Oaks Gaming offers a thrilling and unique gaming experience with its distinctive Hold and Win mechanics, a variety of special symbols, and enticing bonus features. Despite its slightly below-average RTP, the game’s innovative approach to gameplay, combined with the potential for substantial payouts and the flexibility of betting options, makes it a worthwhile adventure for both new and experienced players. As 3 Oaks continues to push the boundaries of online slot design, Coin Volcano stands out as a testament to their creativity and dedication to player satisfaction.