How Many Endings Are in Undertale?
Trying to understand how how Many Endings Are in Undertale matters today? Read our breakdown and key takeaways.
Killing even one enemy (including Jerry) will mean that you can't get the Pacifist ending - which is thought to be the game's true ending and it is recommended you do this on your first playthrough. Doing a mix of killing and sparing will get you one of the many variations of a neutral ending.