Coin Volcano 2 slot: full specs, symbols and math
- 95.76%RTP
- Grand 500xMax win
- 3x5Layout
- Medium to highVolatility
Coin Volcano 2 as a spec sheet: symbols, board, design, math and lineage. The verdict is in the main review , and how a round unfolds in practice is covered in the game guide .
Symbols: the same set on a bigger board
The sequel keeps the series’ stripped-down symbol set (reels showing only blanks and coins, no line wins in the base game) and spreads it across a 3x5 board. The coin types carry over intact: cash-value coins holding stake multiples, jackpot coins naming a tier, and mystery symbols that reveal their contents during the bonus, plus the Mystery Jackpot and Collect symbols. A Sticky Coin can still land in the base game and wait for the bonus. What is new is how multipliers behave: the Volcano Multiplier feature drops up to nine of them, and two landing on the same cell combine, turning position into a variable the original never had. Payment still happens exclusively in the bonus, entered by filling the middle row with bonus symbols. The Ultra Bonus Game triggers at random with multipliers guaranteed, and the Boost Bonus Game, sold only through Buy Bonus in select regions, starts its multipliers at x5.
Design
Visually the sequel runs hotter than the original, with deeper reds, more lava movement and a wider crater panorama behind the longer board. The eruption remains the signature event, now serving a board with more places for its multipliers to land, and multipliers landing on an occupied cell combine rather than replace.
The math profile
RTP of 95.76%, volatility medium to high, bets spanning $0.10-$100, 4 fixed jackpots with a top jackpot of 500x, and Bonus Buy at Bonus Game 50x, Ultra Bonus Game 100x, Boost Bonus Game 300x (may vary by casino version) where the operator allows it. Released August 7, 2025, HTML5 on every platform.
Lineage
The sequel is the series’ “more moving parts” branch: richer than the original , less mechanically radical than 3 Coin Volcanoes with its three specialized volcanoes. Meet it in the free demo first. That advice matters most for US readers, since real-money access needs a state-licensed casino in a state that licenses online casinos (21+) and the studio’s slots are scarce even there. For problem gambling help, call or text 1-800-GAMBLER.