Hey!
Well done!
First off, I love its' look. Minimalistic, but very effective especially for this kind of game.
I had trouble understanding what was happening when the game started. If you look at it, nothing seems to be moving. So I tried moving right and got yanked out of the area and that's when I understood!
The game plays fine, controls feel a bit janky, maybe the input senstivity and inertia is a bit too much? I find I have to overcompensate all the time by doing very small taps. It feels a bit like fighting the controls where I don't think that's where the challenge really is.
As the fog is super close, I didn't have time to anticipate the arrival of the black cubes. Basically I completed a level when I knew by heart what happens. I don't know if it's the intention?
I don't understand how I managed to complete the last level. I always got pushed by the two spinning orange thing, until at one point my cube bugged, flyed in the air and allowed me skip most of the level.
I'd love to see more of this, maybe look into "Thumper" or into going even mode arcade à la Super Hexagon. Could be super interesting.
Great work anyway I hope you continue working on this!