A really great entry! I especially liked the color differences between the above ground areas and the below ground areas. The brighter tones did a great job of simulating daytime while the darker palette helped sell the mood of the underground. The mystical-sounding music added a lot as well.
The game also felt surprisingly good to control despite the simple control scheme. Digging as a caterpillar felt especially good in terms of movement speed and orienting direction! Great work!