Board Thread:Questions and Answers/@comment-28847619-20160625220657/@comment-28847619-20160702105705

PancryPancreas5 wrote: Apart from not killing anyone, you need to befriend both Papyrus and Undyne. You can befriend Alphys only after Omega flowey battle. Well, as it turns out I forgot to befriend Undyne and Alphys, and i killed a Vegetoid at the beginning of the game, but I forgot. I restarted and now I'm playing the Genocide route.