Full list of all 35 Sally Face achievements.
The base game contains 21 achievements, and there is 1 DLC pack containing 14 achievements.
Found the feet, the eye and the dark one.
Used sleep aid with the tea.
Finished episode one.
Used old laxative with tea.
Completed the Gear Boy game.
Got Lisa to mention Larry's secret.
Listened to Sanity's Fall multiple times.
Finished episode three.
Collected all 11 pages of the journal.
Spoke with the ghost of a cultist.
Painted a picture for Larry.
Beat Clumpy bonus level.
Had a private moment with Travis.
Completed the full intro in episode three.
Finished episode two.
Completed all chapters of the SGB game.
Had every optional conversation with Larry.
Finished the puzzle box story.
Broke into 403 and talked with Sanderson's ghost.
Found all four Seals.
Got Addison to talk about his past.