Gold nuggets are worth 10. Clear them all to go deeper.
Crystals are worth 50 and make you 3x bigger for 10 seconds.
Ghosts flee while you're giant. Eat them for 200, 400, 800, then 1600.
Arrow keys or WASD to move. P pauses.
Clear every gold nugget from the tunnels before the ghosts catch you. Pick your gulper.
Arrow keys or WASD. Swipe on a phone. P pauses.