Carry the Snowman Piece through the entire game.

Beat the game with the bandage equipped, at LV 1, and having used no recovery items.

Beat the game without a SAVE.

Listen to a call about Toriel's new job in education.

Listen to a call about Toriel's controversial policy on fallen humans.

Listen to a call about Undyne and what she's up to after the Royal Guard disbanded.

Listen to a call about Undyne's new policy on fallen humans.

Listen to a call about Mettaton's new and "improved" underground.

Listen to a call about Papyrus's puzzling policy on fallen humans.

Listen to a call about a small, white dog.

Listen to a call about the lack of a leader in the underground.

Listen to a call about Alphys's regrets.