Always nice to see proc gen!
I think my main points have also been stated by others already: lack of sounds, and too RNG heavy. I think it was on the third level where I was barely hanging in there trying to dodge monsters just to get to a chest and then turn around quickly to try and kill it. Worked a few times until it didn't :')
I think that's the biggest weakness of the game. You're either ahead of the curve and manage to find an upgrade or two, or you fall behind and die. At least, that's how it feels like to me. But if you're always ahead of the curve, then the game isn't challenging. I think it needs another gameplay/combat feature to give it a little more depth, or at least a way to mitigate RNG challenges without it turning into a free win.
Still, pretty solid game, good job :D