Click the green flag 3 times to sync up the music and/or health, sometimes it won't play. use w/a/s/d or arrow keys to move around.
For those of you who are wondering, no, this game is NOT completely no hittable. Music: Undyne's theme (from Undertale: the final run) by Pepsicat Health engine collaborated with @eano312 https://scratch.mit.edu/users/Eano312/ Everything else by me. My newest game: https://scratch.mit.edu/projects/740019310/