Diamond Mine Megaways

Provider

Blueprint Gaming

Default RTP

96.43%

Volatility

High

Maximum win

Check in-game

Core mechanic

Megaways cascades, TNT Mystery & increasing multiplier

What Diamond Mine Megaways is

Diamond Mine Megaways is a Megaways cascade slot where changing reel heights, TNT Mystery symbols and a Free Games multiplier combine across repeated reactions.

The published numbers

Variable Megaways reel heights

Each spin can use a different number of symbols on the six main reels, changing the number of ways to win up to 117,649. The headline maximum is not active on every spin. A lower reel configuration creates fewer possible symbol routes; a full configuration creates the advertised ceiling. Wins are formed across adjacent reels from the left rather than along fixed drawn paylines.

Cascades and reaction chains

After a qualifying win, the contributing symbols are removed and new symbols fall into the empty spaces. The reels are then evaluated again without another paid stake. This can repeat while fresh wins keep forming. A cascade is therefore one purchased game round containing multiple evaluations, not a sequence of separate paid spins. That distinction is important when comparing apparent hit frequency with a traditional line slot.

TNT Mystery symbols

The TNT/Mystery mechanic can transform groups of mystery positions into a common symbol, creating or improving combinations. Mystery mechanics matter most when several positions convert together because they can increase symbol density across adjacent reels. They are not a prediction tool: seeing many mystery positions does not reveal what symbol will be selected before the game resolves the transformation.

Free Games and the increasing multiplier

Four bonus symbols enter the Free Games feature in the documented build. Cascading wins become especially important there because the bonus uses an increasing win multiplier. Each successful reaction can raise the multiplier for subsequent wins according to the feature rules, and the progression is not restricted to a small fixed ladder. The largest outcomes therefore depend on both a long cascade chain and valuable symbol connections occurring after the multiplier has grown.

Where it sits in Blueprint Gaming's catalogue

A useful internal comparison is King Kong Cash. Comparing titles from the same studio makes it clear that a provider name is not a single maths profile. Blueprint Gaming can use fixed paylines, ways, cascades, occurrence systems, persistent feature states and radically different maximum-win caps across its catalogue.

FAQ

Session takeaway

Diamond Mine Megaways is best understood as a defined probability model: 96.43% reference RTP, High volatility, Up to 117,649 ways, and a feature identity built around megaways cascades, tnt mystery & increasing multiplier.