Descend into the dark and mysterious mine — and uncover the hidden riches of diamonds that lie within! Diamond Mine at 3d66 is a top-tier slot from Blueprint Gaming that combines a unique Cluster Pays mechanic, the Jackpot King progressive feature, and a visually stunning mine-shaft experience.
A diamond mining slot from Blueprint Gaming featuring the Cluster Pays mechanic and the fan-favourite Jackpot King, loved by players across Malaysia
Diamond Mine is a mining-themed video slot developed by Blueprint Gaming — a UK-based gaming company renowned for their hugely popular Jackpot King series. Unlike traditional slots that rely on fixed paylines, Diamond Mine uses a Cluster Pays system where wins occur when identical symbols form connected groups (clusters) in any direction across the 6x5 game grid.
At 3d66, Diamond Mine arrives with all its most celebrated features that have been the talk of Malaysia's slots community. From the Tumble system that clears winning symbols and replaces them with new ones for consecutive win opportunities, to Free Spins that can be triggered in multiple ways — every element of this game is designed to maximise your enjoyment and winning potential.
What catches most players' attention at 3d66 is Diamond Mine's participation in the Blueprint Gaming Jackpot King ecosystem. This means every bet you place contributes to a progressive jackpot pool shared across the entire Jackpot King game network — building potential jackpots that can reach truly staggering, life-changing sums in an instant.
Each gem type carries a different value — find out which ones pay the most at 3d66
Understand how Cluster Pays and Tumble work together to generate consecutive wins at 3d66
Example of a Blue Diamond Cluster Win
5 connected Blue Diamonds = Winning Cluster!
On each spin, gem symbols land randomly across the 6x5 grid. Unlike a traditional payline slot, there are no fixed paylines that need to be matched.
The game automatically identifies groups of 5 or more identical symbols connected horizontally or vertically. This is what's called a "cluster" — and each cluster pays out based on the symbol's value and the size of the cluster.
Once winnings are calculated, the symbols in the winning cluster are removed from the grid. New symbols fall in from above to fill the empty spaces — creating opportunities for additional wins within the same spin at no extra bet cost.
The Tumble continues for as long as new winning clusters keep forming after fresh symbols land. A single spin can produce multiple consecutive Tumbles — meaning far more returns than a single-spin wager would normally deliver!
The rich, layered bonus mechanics make every Diamond Mine session packed with surprises
Larger cluster size = much bigger wins at 3d66
Values based on bet multipliers for a minimum cluster of 5 symbols, a medium cluster of 10 symbols, and a large cluster of 20 symbols
| Symbol | 5 Symbols | 10 Symbols | 20 Symbols |
|---|---|---|---|
| 💎Blue Diamond | 5x | 50x | 500x |
| 💜Purple Amethyst | 3x | 30x | 300x |
| ❤️Red Ruby | 2x | 20x | 200x |
| 💚Green Emerald | 1.5x | 12x | 120x |
| 🧡Topaz Orange | 1x | 8x | 80x |
| 🔷Gem Wild | Substitutes for all standard gem symbols within a cluster | ||
Win values multiply when consecutive Tumbles occur during Free Spins. The multiplier starts at x2 on the first Tumble and increases with every subsequent Tumble.
Five simple steps to descend into the diamond mine and start building your fortune
Click the Register button and enter your Malaysian phone number. Create a strong password and your account is instantly active. The registration process is simple, quick, and requires no complicated documents to get started.
Top up your account balance using Touch 'n Go eWallet, GrabPay, Boost, ShopeePay, DuitNow, or FPX (Maybank2u, CIMB Clicks). The minimum deposit is just RM10, with credits appearing within seconds.
From the 3d66 dashboard, go to the Slots section and type "Diamond Mine" in the search bar, or filter by the Blueprint Gaming provider. The game loads directly in your browser — no download required.
Use the control panel to select a stake between RM0.10 and RM100 per spin. If you're new to the game, start with a smaller stake to get a feel for how Cluster Pays and the Tumble mechanic work before stepping up your bet size.
Hit Spin or activate Auto Spin and watch the 6x5 grid. When a cluster forms, a Tumble triggers automatically — get ready for an exciting chain of consecutive wins! Keep an eye out for the Jackpot King crown symbol, which can appear at any time.
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In an online slots landscape increasingly crowded with options, it takes something special for a game to genuinely stand out and earn a lasting place in players' hearts. Diamond Mine by Blueprint Gaming does exactly that. Since it was introduced at 3d66, this game has quickly become one of the most sought-after slots among Malaysian players looking for something beyond the standard payline experience.
The key lies in the Cluster Pays mechanic, which replaces the traditional payline system entirely. Many players trying Diamond Mine for the first time at 3d66 are a little confused at first — they can't find the paylines they're used to seeing in other slots. But once they understand how clusters form and how the Tumble works, most of them quickly fall in love with the system, drawn in by its truly remarkable chain-win potential.
The most talked-about feature among Diamond Mine players at 3d66 is undoubtedly this game's place within Blueprint Gaming's Jackpot King network. Jackpot King is one of the largest progressive jackpot networks ever built by any casino software provider — and Diamond Mine stands as one of the flagship titles in that network.
Here's how it works: when enough Jackpot King crown symbols land on specific reels, you're triggered into a separate Jackpot King bonus round. In this round, you play a multi-tiered jackpot machine that awards prizes at three levels — Jackpot King, Jackpot Regal, and Jackpot Royal. These jackpot values are pooled across all games in the Jackpot King network and can reach staggering amounts when they go unclaimed for an extended period.
The Tumble mechanic in Diamond Mine is something you really have to experience firsthand to fully appreciate. Picture this: you spin the reels with an RM2 stake — on the first spin, a Red Ruby cluster forms and you win RM8. Those ruby symbols are removed, new ones cascade down to replace them, and suddenly a Green Emerald cluster appears, handing you another RM5. The emerald symbols clear, fresh ones drop in, and this time a large Blue Diamond cluster forms, bringing in RM30. All of this happens within ONE spin on ONE single stake!
This is what leaves players at 3d66 wide-eyed the first time they witness a Tumble chain in action. Back-to-back wins within a single spin aren't something you'd normally see in a traditional slot — but in Diamond Mine, it's one of the most common occurrences. And when it happens during Free Spins with a climbing Tumble multiplier, the compounding effect can produce wins that are truly breathtaking.
While Diamond Mine's base game is already entertaining with its Cluster Pays and Tumble system, the Free Spins session is where the truly big wins tend to happen. To trigger Free Spins, you need to collect enough Scatter symbols — and once you do, you enter a deeper level of the mine with rules that are far more rewarding.
What makes Diamond Mine's Free Spins truly special is the Tumble multiplier system that activates during free spins. Each time a Tumble occurs within a single free spin, the multiplier for the next Tumble increases — starting at x2 for the first Tumble, x3 for the second, x4 for the third, and so on. Imagine six Tumbles firing in one free spin — the win from that sixth Tumble would be multiplied six times over! For players at 3d66 who successfully triggers a Free Spins session with a long Tumble chain, the resulting wins can genuinely surprise everyone in the room.
Deep within the earth lies wealth accumulated over millions of years — diamonds, amethysts, rubies, emeralds, and topazes waiting to be discovered by the brave and the lucky. Diamond Mine takes you into this deep, darkened mine, where every layer uncovered reveals treasures more valuable than the last. At 3d66, every spin is one step deeper into the mine — and the further you dig, the bigger the diamond you might uncover. The question is: are you bold enough to go all the way down?
One of the things Diamond Mine players appreciate most is 3d66 is a payment system that's truly built with Malaysian players in mind. No need to worry about foreign exchange rates or time-consuming procedures — all transactions are carried out in Malaysian Ringgit (MYR) through a straightforward process.
Deposit methods available at 3d66 for playing Diamond Mine:
Every deposit at 3d66 processed within seconds — no long waits, no hidden fees, and no unnecessary hassle. Winnings, including major jackpot payouts, are processed within 5 minutes for regular members and instantly for VIP members 3d66. Your funds can be used directly in your Touch 'n Go or GrabPay account once the withdrawal is approved.
3d66 always reminds all players that Diamond Mine, like every other slot game, is entirely a game of chance. As entertaining as the Cluster Pays and Tumble system is — and as enticing as the Jackpot King potential may be — it's important to remember that every spin is completely random, powered by a Random Number Generator (RNG) that has been independently audited and certified by an accredited third-party body.
We provide a range of tools to help you play more responsibly at 3d66, including daily deposit limits, weekly loss limits, session time limits, and self-exclusion options. If you need assistance or further information on responsible gaming, please visit the Responsible Gaming us or reach out to our 24-hour support team. Diamond Mine at 3d66 is for users aged 18 and above only.
Diamond Mine at 3d66 is more than just another slot. It's a complete gaming experience — featuring a fresh and innovative Cluster Pays system on a 6x5 grid, a Tumble mechanic that delivers consecutive wins within a single spin, a Tumble multiplier during Free Spins that can send your winnings soaring, Mystery symbols that keep every spin full of surprises, and the crowning glory: the Jackpot King progressive jackpot that can change your fortune in an instant.
Backed by the convenience and reliability of the platform 3d66 built exclusively for Malaysian players — fast local e-wallet payment methods, near-instant withdrawal processing, and 24/7 customer support — there's no reason not to try Diamond Mine today. Register now, claim your welcome bonus, and start digging for diamond riches waiting deep in the mine with 3d66!
Real experiences from the Malaysian slot player community
"Diamond Mine is genuinely unique. When I first played I couldn't figure out why there were no paylines — turns out it's Cluster Pays! Once it clicked, I never wanted to go back to a regular payline slot. Got 4 consecutive Tumbles during Free Spins and won over RM500 from an RM3 stake!"
"The Mystery Symbol is the best feature! When 8 Mystery Symbols landed at once and all revealed Blue Diamonds, it instantly formed a massive cluster. Won RM320 out of nowhere in a split second. 3d66's withdrawal is lightning-fast — money hit my TNG wallet within 5 minutes."
"The Jackpot King is the dream. I once triggered the Jackpot King bonus — didn't land the top prize but walked away with a Jackpot Regal worth over RM800. More than enough for durian season. 3d66 is a platform you can fully trust."
Register now and claim your MYR 100 welcome bonus. Deposit via Touch 'n Go, GrabPay, or DuitNow — start playing Diamond Mine in under 3 minutes!