Drag anywhere, or use the arrow / A-D keys, to weave left and right through the mine shaft.
Pick up gems for score and gold nuggets for persistent currency between runs.
Avoid jagged cave hazards. You begin with three lives and briefly become invulnerable after a hit.
Move close to hanging ropes to catch them. Swinging slows the descent and raises your score multiplier.
Magnet attracts loot, Shield absorbs one hit, and Slow-Mo temporarily reduces the pace.