At what point are the effects of the Genocide route irreversible?
I want to do the Genocide route in the game (so I can do the Genocide only boss fights), but I also do not want to corrupt my save data with the effects of the Genocide route and get the 'soulless' True Pacifist ending. At what point can I still reset without affecting my save data?
Best Answer
(SPOILERS, MUCH SPOILERS)
You can quit the Genocide Route when you want before Mettaton NEO by not exhausting the kill counters before his fight (you will continue on the Genocide Route and fight him even if stop killing before him, but then you will quit the route), after that, as New Home doesn't has monsters (only Flowey will be telling you about his life), you can't quit the route from this point. However, you can still reset before you meet Asgore and kill him and Flowey. Then you will meet Chara, when you can't close the game except if you use a Task Manager, so if you don't know how to open it, don't meet Asgore or you MUST give choose between ERASE or DON'T.
P.S: If you end up having to give the response to Chara, don't choose DO NOT. You will regret it. Also you can remove the Genocide Route effects by using Undertale Genocide Remover, Flowey's Time Machine or erase it manually (If you're on Steam, it will mess you up).
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Does anything happen if you complete the true ending then do a Genocide Route?
The only difference is at the end Chara will say you have a "perverted sentimentality" for wanting to go back and play the genocide route again, then they'll encourage you to do a different route if you decide to playthrough the game again.Can you true reset after a genocide run?
It's not correct that you cannot perform a True Reset after completeing a Genocide run. Rather, completing a Genocide run causes a permanent flag in the game files to be triggered which impacts a particular part of the game. The flag can be removed in a few ways, but they require resetting the game's files manually.How long do you have to wait after Chara kills you?
Just wait for about 10 minutes and Chara, the one who killed you at the very end, will return, and will start taking to you again. Say you are above consequences and give them your SOUL. Then the game will reset entirely. However, both the True Pacifist and Genocide endings will be changed.What happens if you do Genocide Route in Undertale?
(There is also a fourth one called Hard Mode.) In the Genocide Route, the player kills every single monster in every single area in the game. The Genocide Route is the only way for players to fight Sans (in addition to Asgore and Flowey) and listen to the infamous "Megalovania" track during the game.Sources: Stack Exchange - This article follows the attribution requirements of Stack Exchange and is licensed under CC BY-SA 3.0.
Images: Andrea Piacquadio, Andrea Piacquadio, Charles Parker, William Fortunato