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Gold Volcano Online Slot Machine – Free Play & Review

Play n GO’s Gold Volcano is a game whose action is designed around the idea of a volcano eruption. Even the game area is designed to follow the lines of the volcano, while as symbols on the reels we find a variety of gemstones, some in rougher shape than others.

The top symbols are the ones with those irregular shaped gems, while the low positions get the card suits. It’s a decent enough design, without being a masterpiece.


One of the oldest online developers still around today, Play n GO has become one of the top choices when it comes to slot machines.

They have a couple of hundred titles out right now, and on average they’re some of the best looking slots around. It helps that they tend to have slots with top jackpots of 5,000x the stake or higher, though the volatility also tends to be a bit worse as a result.

Basic Information

Play'n Go
Free Spins
Wild Symbol
Special Bonus Game
Online & Mobile
Gold Volcano screenshot 1
Gold Volcano screenshot 2

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How To Play It

$0.10 to $100 is the full range of the bets that are possible in Gold Volcano. You select the amount from the bottom, and you get access to all lines in exchange.

It’s a slot machine that relies on a Cluster Wins system, with 8 reels in play (3-4-5-6-6-5-4-3 symbols). As you form winning clusters, of 4 or more symbols of the same type, you get paid and there will be a new wave of symbols added. It’s a cascade style mechanic, a common one in modern slot machines, and it can have an impressive effect on the game.

Special Features

The slot’s cascading reels and winning clusters I’ve already described above, so let’s see how everything else works out.

At random moments, as a result of winning clusters forming and symbols being removed, it can happen that a wild symbol will be created within the volcano. It’s a substitute, and it can contribute to wins, and potentially multiply payouts by 2x as well.

During non-winning rounds, there is the potential to trigger a random modifier, or a Dormant Feature, as they call it:

  • Rumble: shakes symbols to move them around, and adds 1 scatter as well.
  • Lava: adds one extra layer of regular symbols at the top of all reels, all of them of a single type.
  • Excavate: 3 to 5 extra wilds will be added in random locations.

The rock-made Scatter symbols will be collected as you play, and you can use them to upgrade some of the top paying symbols, to the best paying position. As you collect 3, 6 or 9 scatters, you go through stages 1, 2 and 3, transforming a different symbol at each level. This is called the Crystallisation feature.

As you keep getting cascades within the same spin, an Eruption can occur eventually, once the lava reaches the top. You need 6 cascades for that to happen though, and to trigger 5 free spins. The eruption will boost the game area, to 8×8 reels.

Maximum Payouts

Via clusters of gold gemstones that end up covering at least 30 positions on the reels, the game can deliver wins of up to 100,000 coins, which is the equivalent of 10,000x the stake. It’s a very good payout, and one that’s going to come in a slot whose volatility is on the high side.

RTP can be as high as 96.20%, but this developer offers casinos an RTP range to choose from, so it can be lower as well.


Gold Volcano looks like one of the more interesting slot machines being released lately, a game with the right rewards, a long list of potential features to experience, and with at least decent graphics to enjoy along the way.

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