Beautiful art!
Just a small recommendation: for game jams, try not to upload a downloadable .exe only. Most people won't play it because they're not willing to risk downloading and running an executable from someone they don't know.
Don't worry—I learned that the hard way too. My first jam submission was also an .exe, and almost nobody played my little potato game. 😄 If you need any help getting a browser-playable version working, feel free to ask.
That said, awesome game! The controls feel a bit rough at times, but I can definitely see what you were going for, and I really enjoyed it.
You might also want to look into techniques like coyote time and input buffering. They can make the controls feel much more responsive and forgiving without changing the core gameplay.
Loved your game, and thanks for letting us play it!