This ending occurs only when all enemies in each area ( Ruins, Snowdin Forest, Waterfall, Hotland/ CORE) are killed until no one remains. Genocide Route For a more detailed explanation of this route, see Genocide Route. Additionally, this route features the True Pacifist Ending Credits. The True Pacifist Route ends with the barrier being broken, and the protagonist and the monsters of the Underground being able to leave. Papyrus, Undyne, and Alphys have been befriended.(The protagonist cannot gain any EXP, and as a result, they cannot progress past LV 1.) No monsters were killed throughout the game.(A reset is not required, only reloading the player's SAVE file afterwards.) This ending occurs when all of these conditions are met: True Pacifist Route For a more detailed explanation of this route, see True Pacifist Route. There are a variety of different possible variations of this ending depending on the choices made throughout the game.
The Neutral Route ends with the protagonist escaping the Underground alone. The protagonist kills any, but not every, monster.The protagonist does not befriend all plot pivotal characters ( Papyrus, Undyne, Alphys).This ending occurs when one of these conditions are met: Neutral Route For more detailed explanations of this route, see Neutral Route.