DESKTOP VERSION RECOMMENDED FOR PERFORMANCE (web version available for convenience)
If playing on browser highly recommend using chromium based for best performance

CONTROLS:
WASD/DPAD/Bottom right arrow buttons: Move/Dig in direction
Space/X Button/Bottom left arrow button: Dig downward, exit cave (at bottom hatch), activate pickaxe-copter while falling
Mouse Swipe/Right analog stick: Rotate camera

Try to escape the cave while collecting as many jewels as possible! Watch out, because the ceiling is coming down!