*Play in Small screen as large screen lags the games and warps pixels* Red heart/soul - standered physics Blue heart/soul - plat-former physics Stay still on blue attacks Dodge white attacks Spare for true ending, though you can kill him for an alternative ending Story: Undertale: Trapped In The Dark is an AU I created that takes place in an alternate timeline (au) of where Sans decides not to kill the human after a genocide run due to him still believing in them. Frisk makes at to Asgore and kills him, only to let Flowey live for unknown reasons. Over many years Sans began to regret his actions which drove him to insanity. He just wanted one human soul to get his revenge. ---NO MATTER HOW LONG IT TAKES---