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If explosive Megaways action is what you’re after, give our Diamond Mine slot a spin!

Unearthed in 2018 by Blueprint Gaming, our Diamond Mine slot comes with a whole mining cart of features and a max win of £250,000. Dig deep into this classic online slot and you’ll discover an absolute treasure of a game.

Join the fairest casino in the West today and play Diamond Mine from just 20p.

How to play Diamond Mine slot

Like all slots games online, the aim of the game when you play Diamond Mine is to match symbols on the reels or trigger a bonus feature.

Match 2 or more symbols on adjacent reels, starting from left to right, and you’ll win a cash prize. Thanks to Big Time Gaming’s Megaways mechanic, there are up to 117,649 Ways to win, depending on the different layout of symbols on each reel. Sometimes you might get 640 Ways, sometimes over 100,000.

Every time you spin a winning combination, the winning symbols explode, allowing the symbols above to drop down and form new winning combinations. These chain reactions will continue until you run out of wins.

To play Diamond Mine, pick your bet per spin and let the RNG do the rest. You can bet as little as 20p per spin, or in increments of 40p, 60p, 80p then £1, £2, £5 and so on up to £100.

The maximum win in a single spin of our Diamond Mine slot game is £250,000 or 10,000x, whichever you’re lucky enough to hit first!

Diamond mine slot: Features & symbols

Diamond Mine is a mining themed game with a fun, cartoony vibe. This slot is a lot like the other famous mining slot, Bonanza, although Diamond Mine has more of a Road Runner / Acme Corporation style.


The Diamond Mine online slot uses a set of Wild West inspired symbols, with the usual lower value Ace to 9 symbols accompanied by a pair of spades, a miner’s lamp, an old prospector and a huge, shining diamond.

The set is completed by a barrel of explosives that serves as the Mystery Symbol, a pack of dynamite sticks for the Wild and a sack of gold as the Scatter.

Free Spins

Spin 4 or more gold Scatter symbols anywhere on the reels to trigger 12 Diamond Mine Free Spins. If you hit more than 4 Scatters, each extra one will bag you another 5 Free Spins.

During the Free Spins games, you can only spin Scatters on the row at the top, with 3 landing you 5 more Free Spins and 4 Scatters giving you 10 Free Spins.

You also start Free Spins round with a multiplier of 1, and it increases by 1 with every chain reaction, and there’s no maximum multiplier.


The dynamite Wild symbol only appears in the special row above reels 2 to 5, and it can substitute for all symbols except the Scatter.

Mystery Symbol

The gunpowder barrel mystery symbol is an interesting addition to the already impressive Diamond Mine slot features. Land it and it can morph into any nearby symbol, bar the Scatter, to create a win.

Why play Diamond mine at PlayOJO?

Being a top casino isn’t just about offering 3,000 of the planet’s top slots and casino games. We want you to get value for money and trust us to treat you right. That’s why we offer you the fairest, most transparent perks and payments online:

  • Bonuses with no wagering requirements
  • All wins from bonuses paid in cash with no conditions
  • Money back on every bet with no strings attached
  • No minimum withdrawal amount
  • Safer Gambling features to keep your play fun


What is the Diamond Mine slot RTP?

The Diamond Mine slot RTP comes in at a precise 96.43% and if you’ve played a lot of slots online in your time, you’ll know that Diamond Mine RTP is above average. And with OJOplus, you’ll also get money back on every spin, in real time. That’s cash you can use as you please, no small print.

Who makes the Diamond Mine slot?

Diamond Mine is one of the most popular online slots from Blueprint Gaming, the UK games supplier famous for such titles as Safari Gold, Naked Gun and their hilarious Ted online slot.

Can I play Diamond Mine for free?

Because it’s so jam-packed with features and unusual mechanics, you might want to play the Diamond Mine slot for free first or swot up on the rules in our Diamond Mine slot review. To play our demo, simply create your account and look for the Try For Free version. Once you’re ready to play Diamond Mine slot for real money, head to the deposit section of your account, select one of our safe and secure deposit methods and follow the simple steps to fund your account. If it’s your first deposit, OJO will chuck in 50 Free Spins on Big Bass Bonanza.

Does Diamond Mine have a jackpot?

You can either play the regular Diamond Mine slot or choose the Jackpot King version, where a small part of your stake goes towards the three progressive jackpots.