Since we know that Flowey never took a break from playing the game we can assume he would have either killed bunch of people by the time we met him or would be well known in the underground. Why?ġ) Flowey seems to be still friends with PapyrusĢ) Sans is unaware of his existence yet he has doubts about a suspicious flowerģ) Sans is still searching the anomaly but hasn't found it yet Yeah I've been thinking about pre-game timeline a lot and came to this conclusion.
Undertale starts right after Flowey's last reset: