About Diamond Mine 

Welcome to the deep, dark mines where various treasures may lie within the reels. Diamond Mine showcases stone tablets with diamonds, lamps, tools and even bags brimming with gold - can you chisel your way to a winning combo? Thanks to the Megaways mechanic, there’s up to 117,649 paylines to help you out. Played on six reels, the number of symbol positions per column changes each time the reels are spun, but there is the possibility for hundreds of ways to win in every round. 

The special features don’t stop there, either, as there’s an action-packed Free Spins bonus on offer, which comes with an epic Unlimited Win Multiplier. Every miner needs some trusty dynamite, so keep an eye on the TNT symbols, as they may detonate on the reels to produce some explosive prizes.

Play Diamond Mine slot on mobile, desktop or tablet right here at 21.co.uk.

Diamond Mine Special Features 


The Diamond Mine Megaways slot creates thousands of ways to win, up to a huge  117,649. The number of symbols per reel shifts with each new round, meaning the number of available paylines changes, too. The current number of active win lines is displayed above the reels at all times.

Cascading Wins

Each time a winning combination is landed on the reels, the symbols involved will disappear so new ones can fall into place, meaning it’s possible to achieve multiple wins from a single spin.

Free Spins Round

Land four gold scatter symbols on the reels to trigger the Free Spins bonus feature. Every additional Scatter symbol landed will award an additional five Free Spins. An Unlimited Win Multiplier will come into play, which begins at 1x and increases by 1 after every successful cascade.

Diamond Mine: the Verdict

Megaways slots are only increasing in popularity and with 117,649 paylines on offer, it’s not hard to see why. The Diamond Mine Megaways game offers a mining theme complete with a jolly prospector and bags brimming with golden nuggets. The standout feature, besides the Megaways mechanic, has to be the Free Spins bonus game as it comes with an Unlimited Win Multiplier. If you enjoyed this Megaways experience, there’s plenty more where that came from, with Fishin’ Frenzy Megaways and Tiki Treasures Megaways offering similar features with intriguing themes. 

How to Play Diamond Mine Slot

The buttons and controls needed to play the Diamond Mine slot are explained below.


Before placing any bets, we recommend reading up on the game. To do this, simply click on the (i) button then browse the info pages available. These will explore various aspects of the Diamond Mine game, from symbol values to bonus features.


Once you feel clued up on the game, you can set your stake using the arrow buttons above and below the Bet display panel. This value will be deducted from your balance once a round has been initiated, so make sure it is to your satisfaction before proceeding any further.


Ready to meet the prospector? Hit the spin button to delve into Diamond Mine slot. A single round will be played through at the current stake.

Winning combinations can be achieved when landing matching symbols across the 6-reel layout. Watch out for bonus symbols appearing, including both the mystery symbol and wild symbols. Mystery symbols have the potential to transform into two different wilds, which carry the ability to help complete combinations.

The Diamond Mine online slot does have a maximum win of up to 50,000x the stake.

Take Time to Think | BeGambleAware.org | 18+

We're sorry!

Unfortunately, 21 isn't available in your country.