Hey!
I have some feedback for your game.
Firstly, when making a 1-bit game, I *highly* recommend making the background out of the darker ( black ) color, not the brighter ( white ). That makes the game so much easier to look at.
Secondly, I'm not very sure as to the why, but I got stuck here:
You probably forgot to add colliders there.
Thirdly, the jump feels pretty floaty. I *think* you can make gravity bigger to make the jump feel less floaty.
Furthermore, I wish I could use WASD to move.
Lastly, the game is kinda confusing. Especially because sometimes you made me go through walls.
( Edit: making the text bigger and adding SFXs would be nice too )
I ( think I ) still beat the game though: