The main theme is quite a banger. The art, the mood, and the overall concept was super fun. Like, eery Katamari vibes? I really, really, want more. Please do expand this!
My only real qualm was that I was messing up a lot and, unless I'm stupid and there's a better way, the only way to successfully jump to planet two was to grab the oxygen and wait a second for the planet to rotate to the correct angle and then make the jump. It got a little tedious and made me not want to experiment.