I like the open-ended exploration, and the level definitely gives you a sense of scale. It seems like one of those games you'd have had as a kid that made you think "how can this whole world be in this tiny gameboy?"
Criticisms: the music is very repetitive, the controls are a little frustrating, and I wish there was some HUD to show how much current health I have, as I kept dying unexpectedly.
But it's a cool and ambitious game for a jam, and you should be proud of your work