Really love how you have achieved such interesting looking background with just cubes. More than just the fact it's pixel art. It has a good minimalistic vibe to it
I love the variety of enemies and how they look. The UI is really polished as well.
One complain I have is the delay in jumping. I had to get used to it and it stopped being a problem. But feels like a bug.
I would play it again later to finish it. Already died thrice : (