Genocide Route, Undertale Wiki

For one definition of the "No Mercy Route," where all encountered monsters are killed, see Neutral Route#Leaderless Ending. if you keep going the way you are nowyou're gonna have a bad time. Sans in Snowdin Forest The Genocide Route leads to one of the three main endings of Undertale. It consists of the protagonist killing every possible monster in the Underground. This route's ending can occur without prior completion of the game, unlike the True Pacifist. Once the protagonist completes t

According to several wikis, these are the morality of the

Papyrus/In Battle, Undertale Wiki

Snowdin, Undertale Wiki

Alphys, Undertale Wiki

Genocide - Waterfall - Undertale Guide - IGN

Genocide Route, Undertale Wiki

Sans/In Battle, Undertale Wiki

Monster Kid, Undertale Wiki

Chara, Undertale Wiki