Gold Rush by Gamebuilt.com

Mine for veins of gold using a dynamic digging system in underground tunnels, balancing resource extraction with tool durability. Navigate shifting soil layers and upgrade pickaxes to reach rarer deposits while managing limited oxygen supply. Progress through increasingly complex cave networks filled with hidden pockets and environmental hazards, aiming for maximum ore haul in each run. Key Features • Precision digging mechanics • Tool upgrade progression system • Oxygen management challenge • Procedural cave network levels • Mineral vein discovery simulation