Very well done level design! You're introducing the player to increasing complexity one step at a time, but even the early levels weren't too easy (for me, I'm a total puzzle dummy).
I was confused by the intro cutscene(?) at the start and was trying to figure out the controls, partly because it felt very long. The second cutscene I witnessed, just before the cave(?) level was nice.
I like the abstract art style and the fact that the style is rasterized pixel art, but placing control elements is actually continuous. Felt like an unusual, but welcome, degree of freedom. The music fits the aesthetics well, too.
As someone who almost never plays puzzle games, I don't feel competent to make any suggestions for improvement, but I had fun! Good work!