Left for left right for right up for up down for down. I know this isn't how the actual fight goes.
This took me 3 and a half hours to make. I made it because my brother wanted me too. I don't even play Undertale, all I know is that Sans exists. I might make another one of this in the future. --------------------------------------------------------------------------------- Undertale for sprites and sounds, and I borrowed the Hearts phyisics engine from @FunnyAnimatorJimTV --------------------------------------------------------------------------------- V.1: Finished