Use arrow keys for Player 1. X to slow down. Use WASD for Player 2. Dodge Sam's Terror Tacos. Survive as long as you can. (Hold 2 for 2 Player Mode) (In 2 Player Mode, nobody can slow down)
Yes, this is Undertale. And Sam. (Why is this real?) (Why did I make this?) (Why did I spend 1 day making this?) (Why is this actually kind of fun?) Here's the actual Ultra Sans Battle: https://scratch.mit.edu/projects/112335525/