The sound is a little loud, but the game is really fun! The character controller is smooth, rooms getting harder if you don't beat them in time is a cool twist since the rooms do not get impossibly difficult (besides level 3), and the art style is very charming! The only thing I wish was maybe another pick up that gave you a bit of time - maybe 5 seconds - when you collected it, I found myself dying after finishing a level more than I would like to admit.
Cute game! Also PICO-8