Found at least 20 Mementos and returned them to the Caretaker.

Socketed a rune for the first time.

Made unexpected acquaintances in the most unusual of places.

Changed the look of an item for the first time.

Read every single file in the story.

Destroy all the Goats of Warding.

Knock a flaming arrow out of the sky with a close combat weapon in the story.

Shoot down five flying crows in the story.

Break every breakable window in Castle Dimitrescu in a single playthrough.

Use Photo Mode.

Move the ball from the Winterses' bedroom into the study.

Finish the story on at least Standard difficulty.