Here is the full list of all 33 The Painscreek Killings achievements. It takes around 8-10 hours to unlock all of the achievements on Windows.
You're Fired
Completionist
All Letters Found
All Keys Found
Wanda Tyler's Story
Vivian Roberts' Story
Steve Moss' Story
Charles Roberts' Story
All Newspaper Articles Found
Bernard Hopkin's Story
Case Unsolved
Bloody Knife
The Secret Lies With Her
Truth Revealed
Missing Journalist
Best Friends Forever
All Tools Found
Oliver Gibson's Story
Sofia Miller's Story
Dorothy Patterson's Story
Here Lies Sofia
Scott Brooks' Story
Scott's Secrets
The Hidden Truth
Matthew Brooks' Story
Trisha Roberts' Story
Guest's Lost Cap
Derrick Tyler's Story
Dying Man's Letter
Mary Martinez's Story
Andrew Reed's Story
Tutorial Completed
James Howard's Story