I beat the box! I like the video submission you had to go along with this game, it was a pretty polished game and I liked that you had multiple different enemies that got harder as you progressed.
I will say adding maybe some pickups like a speed boost for the swinging could make the gameplay a little more dynamic. Also I turned up my mouse sensitivity all the way up and just held down the swing button and went crazy with it, which I think made the game a little more chaotic and fun if you haven't tried that