Drill That Gold Slot by Pragmatic Play

Stacked miner symbols are the central mechanic. When a full vertical stack of miners lands on any reel, the stack converts into a drill that punches through the column and becomes a Wild filling all three positions. In the base game, those silver drills sometimes reveal a direct money award - anywhere from 2x to 100x total bet - but the payout is not guaranteed. That conditional reward changes completely with the ante bet toggle. Paying 25% extra per spin upgrades every drill to golden, and golden drills always pay a cash prize on top of the Wild expansion. Wins still calculate from the original bet, so the premium only inflates trigger mechanics, not payline math.

Dark cave walls and rough timber supports border the grid, amber light catching gold nuggets scattered along the mine floor. A stocky bearded miner in a hard hat stands right of the reels, pickaxe ready, headlamp cutting through the underground gloom. Premium symbols are chunky and legible even at speed - a brilliant blue diamond, a faceted purple-pink gem, mine carts loaded with ore, crossed pickaxes, and a rough dark stone. Card values sit on angular stone tablets, keeping the mining aesthetic consistent through the low end of the paytable.

Three or more Bonus symbols trigger Gold Spins - 6, 8, or 10 free spins depending on the scatter count. During the bonus, both silver and golden drills are active simultaneously, and a key change makes them hit far more often: any miner symbol that lands nudges the reel to bring a complete stack into view, guaranteeing a drill transformation on that spin. Golden drill cash values during Gold Spins jump to a 5x-1,000x range, up from the base game ceiling of 100x. Two or more Bonus symbols retrigger the round with additional spins, and the retriggered spins stack onto whatever remains. No buy bonus exists, so reaching the feature depends on natural scatter landings or the random modifier - a safety net that fires on dead spins and can either force a 10x+ win or drop enough scatters to trigger Gold Spins outright.