Performing a Undertale Genocide run has you play the game in the most evil way possible - by killing everything in your path. (Which, ironically, is the way you play most normal role-playing games.) ...

This Walkthrough will take you through Undertale on a Genocide run. This requires you to not only kill every character you come across but to actively continue searching in areas until you've killed ...

This page is part of a Genocide walkthrough for Undertale. It is recommended you complete a pacifist run first using our Pacifist Walkthrough if you want to experience all the endings. The Ruins are ...