I very much enjoy voxel art. I wish you had done some for the walls and floors instead of the generic prototype blocks. The gameplay was a bit slow for my taste. I also struggled to make it very far and had to give up. The butterflies were too difficult to deal with for me.

Nice art style. I liked how the main menu was set up. I had trouble with the fighting. I think the weapon does not swing fast enough and it's hard to tell when it will hit the enemy. For example, if you move in to hit the enemy but then back up it won't hit them. The butterflies were impossible to keep track of they should probably disappear after you dodge them.