This is the one that started it. Before San Quentin, before Mental, before the whole Overthelimit catalogue existed, there was a dwarven mining slot with a TNT crate that blew up its own neighbours. April 2021. The xBomb Wild made its debut here, and almost everything Nolimit City built afterwards traces its DNA back to this release. The studio is still patching it five years on, which tells you how much weight they still put on it.
The opening grid is small on purpose. Six reels wide but only the top 3 rows are lit, the bottom 3 sealed behind grey stone. That's 64 ways. Every collapse cracks open one more row, and the ways count climbs roughly every step until you're sitting on the full 6×6 surface and 46,656 ways. Variance literally increases as the round goes on. Most cascading slots reset between spins. This one rebuilds the mine every time.
The xBomb Wild is a red dynamite crate. If there's a win on the board, it explodes and removes every adjacent symbol except Bonus icons, which bumps the next collapse multiplier by +1. If there's no win, it still explodes and forces another drop. Wild Mining is the safety net: when 3, 4, or 5 of the same symbol land on a single horizontal line without forming a payable way, the triggering symbols convert into 1, 2, or 3 Wilds. Even your worst spins frequently mutate into something usable.
Three Bonus coins open Lucky Wagon Spins at 2 rows, four at 3, five at 4. You get 3 spins to start, and the counter resets to 3 every time a coin lands anywhere. A long enough hot streak is mathematically unbounded. Top-row enhancers cycle through Coin Values, Multipliers, Dynamite, Bag, Chest, and Dwarf, who sticks for the rest of the bonus once revealed and harvests every coin on every remaining spin. Hit the 60,000x ceiling and the mine is officially cleaned out.
Warm timber framing, dim orange lantern light, mining rails curling into the dark. No horror palette, just the dwarven fantasy that made this slot palatable to streamers and casuals alike. Honest critique: the 60,000x cap sounds enormous until you stack it against the sequel's reach, and the buy ladder is only three tiers (-2%, -3%, -4%). Still the cleanest version of the xBomb idea, and an official Nolimit City partner release that the studio clearly considers core canon.