Arrow keys to move, try to avoid attacks.
Warning!: this may be a hard, long battle, so try to beat them at your own frisk!
Update 2017: I have never gotten this much views before. Thank you all For making this so popular! This might be the best project I ever made!
2018: 20,000 Views... wow... O_O How is this even possible?
Credit to JPToast14 and others
This may be hard, but it's still beatable. (unlike Sans' battle T_T)