Other than the fact that the enemies could do damage, the experience felt quite polished! The mechanics are a bit simple obviously but the game-feel was pretty decent.
I'd try to add a bit more layers to the parallax. Also the sound design could be improved even further(e.g. ghosts).
Good job!
Feel free to play/rate our game here -> https://itch.io/jam/brackeys-7/rate/1420718
After the voting ends, we publish the 1.1 Version with bugfixes and improvements :) Thanks!