Board Thread:General Discussion/@comment-30388913-20170215175848/@comment-38557913-20190306181622

Koala990 wrote: Well, after you enter True Lab, you can't abort Pacfist Run, and after you kill Sans, you can't abort Genocide Run, except if you reset. ( Deleting the files or a simple in-game reset. )

Probably if you go back, the "But nobody came" will pop up anyway. No. Your last chance to get a neutral route is not finishing off the last monster(s) in the CORE. You can't spare mettaton NEO.