Full list of all 30 The Dark Pictures Anthology: Little Hope achievements. It takes around 20-25 hours to unlock all of the achievements on Windows.
Everyone was saved
Defeated Taylor's demons
Saved Taylor
Found all of the black framed Pictures
Saved Mary
Saved Andrew
Completed the Solo Story
Saved John
Understanding was one of top two traits for Angela
Saved Angela
Saved Daniel
Amiable was one of top two traits for Daniel
Completed 5 combat events in succession
Compassionate was one of top two traits for Andrew
Maximized Daniel and Taylor's Relationship
Completed the prologue
Found all witchcraft secrets
Finished Movie Night
Rational was one of top two traits for John
Headstrong was one of top two traits for Taylor
Chose all of the Heart decisions
Chose all of the Head decisions
Found all of the white framed Pictures
Everyone died at the ruined house
Maximized Angela and John's Relationship
Andrew has a good relationship with all characters
Found all family secrets
Found all Pictures
No-one survived
Andrew was saved from himself