This game is so enjoyable. Good job! This one deserves a full release on steam.
However, I found some bugs:
1) whenever you reboot the previous music track doesn't stop and it gets played with the new one.
2) Exitting fullscreen doesn't resize the game to the correct size. edit: it seems that the default itch size isn't correct.
3) Actual mouse is visible in the bottom half of the screen.