Casino Bonuses
| Provider | Microgaming |
| Reels | 5 |
| Rows | 3 |
| Paylines | 20 |
| Bonus Rounds | 1 |
| Bet Range | 0.20 - 40 |
| Volatility | High |
| Max Win | 50,000x |
| Bonus Buy | Yes |
| RTP | 96.07% |
| Our Rating | 8.2 |
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Demo & Review
Demo & Review
Demo & Review
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Demo & Review
Demo & Review
Demo & Review
Demo & Review
Demo & Review
Demo & Review
Demo & Review
Demo & Review
Demo & Review
Demo & Review
Demo & Review
Demo & Review
Demo & Review
Demo & Review
Demo & Review
Demo & Review
Demo & Review
Demo & Review
Demo & Review
Game Overview
When newcomer slot developer Nailed It! Games declared that Gold Mine Stacks 2 would be filled with gold; they really meant it! This 20-payline machine has a 96.07% RTP – or thereabouts, as the help pages list more than a dozen similar numbers depending on a range of tiny factors that the player can control. Talk about being thorough! More importantly, though, the game offers a top jackpot prize of 50,000x the total stake – now that’s one hell of a pot of gold!
The feature overview provided on the paytable mentions stacked wild re-spins, win multipliers, multiple bonus rounds, a gamble feature, ‘the Randomizer’, a three-spin feature with the ability to purchase additional lives, and both bonus bet and bonus buy facilities. Now that’s one hell of a stack of features!
Sounds great, doesn’t it? And the best part is, you don’t even need to go down into a filthy mine to enjoy it! Instead, just fire up our free demo slot of Gold Mine Stacks 2 below, and away you go!
Gold Mine Stacks 2 Slot Theme, Stakes, Pays & Symbols
Some seriously high-quality mining-themed slots have been released of late -not least No Limit City’s unbelievable Dead Canary, a game that’s already delivered at least one 65,000x maximum jackpot, which you can view over on our Slotschecker YouTube channel if you’re interested! Dead Canary isn’t the only great mining-themed online slot out there, of course. There’s Money Mines, Mine and Melt, and Diamond Mine Extra Gold Megaways in our review library too, but how on earth can you compete with a game that will happily chuck you the cash for a top-spec Tesla Model 3 on a one Euro stake?
Well, I guess you could start with some great payouts on the paytable. The wild and red minerals share equal returns of 40x the total bet for a full payline of five of a kind, with the purple mineral not far behind at 32x for all five symbols. The green and blue rocks, as Marie would call them, much to Hank’s chagrin (You did watch Breaking Bad, didn’t you?) are worth 24x and 16x, respectively, for a complete payline of each, after which we’re left with just the four low-paying royals. All of these, from the aces down to the jacks, all share identical payouts of 4x the total bet for a five of a kind combination, but be sure to check the bonus prize section below as well, as this contains payouts of up to 300x the total stake in certain scenarios!
The minimum/maximum bets permitted in Gold Mine Stacks 2 are €0.20 and €40.00. This is a pretty good spread of bets, and you should easily be able to find something comparable to your playing budget between these two amounts.
Base Game & Modifiers
Gold Mine Stacks 2 certainly does not work like a traditional mine! This is a five reel, three row video slot with 20 fixed paylines, and you’ll need at least three matching symbols starting from the leftmost reel to score yourself a win. But where do the big wins come from? It’s time to talk features – lots of them!
Wild Stacks Respins
Landing a full stack of wild symbols anywhere on the playfield will trigger the Wild Stacks Re-Spins feature. In this mode, all full wild stacks are sticky for the remainder of the re-spins, which will continue until no further wild stacks land on the reels. Hitting a full wild stack on all five reels will trigger the maximum base game win of 400x – that’s 20x for each of the game’s 20 fixed paylines.
Bonus Bet
You can double your chances of winning the Gold Mine Stacks feature by enabling the bonus bet option for 25% more per spin. The game’s RTP increases by more than 0.15% when using this option, so definitely enable it if your bankroll allows it.
Gold Mine Stacks 2 Slot Bonus Features
The main bonus round is dubbed the ‘Gold Mine Stacks’ and is triggered by hitting three or more bonus scatter symbols during the base game. This is where the real big money can be won – up to 50,000x your bet, in fact!
If the bonus is triggered by four or five scatter symbols, one or two super lives will be added to your reserves, respectively. A super life will restore your remaining spin counter to three should you run out of lives before reaching level 16.
Bonus Round
After triggering this feature, the doors of the mine will open – dare you enter? This three-spin feature has three important aspects to it that are discussed on the opening screen:
- Randomizer: This feature will appear once at the start of each bonus round, increasing the value of one bonus symbol by up to 20x.
- Super Gold Mine Stacks: If the safe symbol lands in the randomizer, all bonus symbols will be boosted by 20x instead of just one!
- Level upgrade Feature: Completing an entire column with three bonus symbols will clear the entire reel set and upgrade you to the next level, where the symbols are more valuable than those present on the previous level.
There are 16 possible levels to reach during the Gold Mine Stacks Bonus. Each level has eight bonus symbols; the level one symbols, for example, are worth 1x, 2x, 3x, 5x, 7x, 10x, 15x, or 20x. Make it to level 15, and the bonus symbols are now worth 15x, 30x, 45x, 75x, 105x, 150x, 225x, or 300x!
The Gold Mine Stacks Bonus ends when no bonus symbols land for three consecutive spins or if you manage to clear level 15.
Bonus Buy
You can purchase the Gold Mine Stacks Bonus directly from the base game at the cost of 100x the normal price per spin. However, if you like to live dangerously, you may also choose to pay 250x the normal price per spin to guarantee a safe will roll in via the randomizer (see above). This increases the value of all prize symbols by 20x, so it should be a good deal, provided you don’t bust out within seconds of starting the bonus round!
Gold Mine Stacks 2 Slot Review Final Thoughts
I believe this is my first encounter with Nailed It! Games and I must say that I’ve been thoroughly impressed! I can’t wait to see what else these guys will come up with in the near future.
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