The game is fun, sure. But I clearly see an anxious metaphor about things much closer to us than far space expeditions.
The amount of work done is hilarious! Experimental yet polished. Very stylish. In my opinion it's harder than making rich detailed graphics.
Often found myself in a situation when I couldn't reach any wall with my hands and had to slowly float towards something. It broke pacing a bit for me. It seems that just making corridors narrower would solve this little problem.