Into the mines

Explore the mines and collect precious ores. Can you find what lies deep below? Or will you too die from exhaustion?

WASD to move
SPACE to jump
LEFT CLICK to destroy
E to interact (when prompted)

Submission for Wowie Jam 3.0

Browser version can take a bit to load (works faster on Chrome) but games runs smoothly after initial chamber.
Mac and Linux builds are untested.