Arrow keys to move. If your soul is blue, then you are affected by gravity and up arrow makes you jump. Dodge all of the attacks, and survive level 4! If you are stuck, play it while in the editor. It's laggier and therefore slower there. If you're REALLY stuck, play in fullscreen in the player.
I used mcguy the youtuber's number counter system. Thank you! Also, thanks to Toby Fox (the creator of Undertale) and Sr Pelo (the creator of the "Underpants" parody of Undertale). THIS IS A WORK IN PROGRESS.