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