Build your mining empire beneath the surface in Idle Digging Game!
Start with your first Ore deposit and grow your underground operation. Mine minerals, watch cargo travel through branching veins to your Station, and sell your resources to fund your next upgrade.
MINE AND EXPAND
Unlock 63 Ore deposits as you explore deeper underground. Discover 27 mineral types and keep your mining operation growing.
UPGRADE YOUR OPERATION
Improve Mining Rate to produce minerals faster, Vein Speed to shorten delivery times, and Cargo to carry more in each load. Balance production and transport to keep resources moving.
SMELT VALUABLE ALLOYS
Unlock 28 smelting recipes and turn your resources into bars and alloys. Build additional smelters to expand production.
EARN WHILE AWAY
Return to collect offline progress and continue building your operation.
OPTIONAL REWARDED BOOSTS
Watch rewarded ads to temporarily increase mining rate or transport speed, or double your available idle earnings.
EXPLORE YOUR UNDERGROUND WORLD
Pan and zoom around the map, follow mineral deliveries to the Station, and enjoy a sky that changes with your local time of day.
Start small, upgrade wisely and see how far your mining empire can grow!
Mine minerals, upgrade your drills and build an underground mining empire.