64 Nuggets Hold and Win Slot by Booming Games

The cave setting lays it on thick, with miner helmets, shovels, copper lanterns, and frothy beer mugs stacked against a cracked rock backdrop. A skull sits in the far corner, half-buried in dirt. The grid itself is boxed in wooden beams like the inside of a mineshaft. Four jackpot meters run down the left rail: Mega at 1000x, Major at 100x, Minor at 50x, Mini at 20x.

Everything revolves around the Boom Blitz symbol. Land five or more and the Hold & Win bonus triggers with three sticky respins, where every new Boom Blitz resets the counter and locks onto the grid. Collect enough to fill positions and you start chasing those four jackpots directly, with the Mega as the ceiling.

The trick is that Boom Blitz doesn't always land as a pure cash symbol. Sometimes it comes with a Boost modifier that multiplies the cash value of two or more value symbols on the grid (by 2x, 3x, 5x, or 10x), and sometimes it carries Grid Expand, which widens the reels to a bigger size and adds more value symbols to the active area. So a run that looks stalled can suddenly turn into a packed grid with a mountain of multipliers attached.

Gold Rush Re-Spins sit on top of the base game as a separate trigger - any winning spin can randomly kick off a free respin on the next round, which is a small but welcome bone to throw when you're grinding between bonuses. There's no free spins mode here though, which is an odd omission for a 2026 Booming Games release. The entire bonus structure is Hold & Win or nothing.

It slots into the growing 64 Hold and Win lineage (alongside 64 Gold Coins and 64 Presents), each one a reskin of the same core mechanic with a different theme pasted on top. If you've played those, you already know the rhythm. If you haven't, this is a perfectly functional introduction to the format, with the gold-nugget framing doing just enough to keep it from feeling generic.