Grid / Clusters / And How Wins Form
This slot plays on an 8×8 grid where you form winning clusters by landing 5 or more matching symbols connected vertically and/or horizontally anywhere in view. The game drops 64 shining gemstones on every spin, and cascading wins trigger fresh tumbles when clusters land – this keeps the action flowing and breaks up the base game grind considerably.
Wilds do not land organically in base play, but they substitute for any pay symbol to complete or improve cluster wins. The wild itself holds no payout value. However, 2 of the 5 reel modifiers flood the grid with wilds on a regular basis, so you’ll see plenty of wild action during base game spins.
Reel Modifiers On Every Spin
On every base game spin you’ll see up to 4 colored spots in various configurations on the wall behind the symbols. Land a winning cluster on top of one or more of them and you trigger the corresponding reel modifier:
- Blue spot (Nuclear) – clears all symbols and gives you a fresh batch.
- Pink spot (Wild Gem) – transforms all instances of a randomly chosen symbol into wilds.
- Brown spot (Squares) – adds identical 2×2 mega symbols randomly to the grid.
- Red spot (Colossal Symbols) – places a 3×3, 4×4, or 5×5 mega symbol randomly on the grid.
- Green spot (Lucky Wilds) – gives you 5 to 15 wilds randomly placed on the grid.
You can trigger more than one modifier on the same spin – they play out in the order listed above. This modifier action triggers quite often, which naturally keeps the base game feel less brutal than the volatility rating suggests.
Symbol Payouts
| Symbol | 5 Cluster | 15 Cluster | 25+ Cluster |
|---|---|---|---|
| Red Gem | 1x | 50x | 1000x |
| Purple Gem | 0.5x | 25x | 500x |
| Green Gem | 0.3x | 15x | 300x |
| Turquoise Gem | 0.25x | 150x | |
| Orange Gem | 0.2x | 6x | 100x |
| Pink Gem | 0.15x | 75x | |
| Blue Gem | 0.1x | 3x | 50x |
Gold Fever Bonus Round – 5 Levels / 10x Multiplier
On the right side of the grid sits the Gold Fever meter. Each tumble win fills it with liquid gold from the collected symbols. The meter resets on losing spins. It takes 114 winning symbols to fill the meter and trigger the Gold Fever Bonus Round.
The free spins feature has 5 levels and you start at level 1. The multiplier begins at 2x for level 1, and all 5 reel modifiers play out in sequential order on each spin. You collect symbols during the bonus as well – filling the meter again upgrades you to the next level.
Reaching level 5 is tough – the feature finishes once the 5 modifiers have cycled through. Getting past level 2 is genuinely difficult, but even at that tier you can land solid payouts.
Bonus Buy And Bet Range
You can bet between 0.2 and 100 per spin across all platforms and devices. Depending on your jurisdiction, you can buy the Gold Fever bonus round directly by paying 100x your stake. It plays out exactly as it would if triggered organically, but UK players cannot use the buy option.
RTP / Volatility / Max Win
this slot carries a top-tier RTP of 96.55%, which sits well above the industry average of 95-96%. The game also offers alternative RTP settings of 95.54% and 94.53% depending on the operator. This is a high volatility slot scoring 5 out of 5 on the in-game volatility scale. The max win potential is 10000x your stake, which is solid for this volatility level.
Mobile Play
this slot works seamlessly on mobile and tablet devices. Both Android and iOS are fully supported. No app is needed – play directly in your mobile browser. The game performs identically across all mobile-friendly casinos.
