Arrow keys to move (Blue) Up arrow to jump, hold it to jump higher Survive for 20 turns Check out my normal Sans fight: https://scratch.mit.edu/projects/105680927/
Pulse S to spare and you will get your special HELL. Update 17/12/2017: +100 views? Gracias! :) Update 08/04/2018: +230 views?! Increíble :D Update 26/01/2019: 740 visitas? Madre mía...
