The Painscreek Killings

• Only locked things with the "Unlock" prompt can ever be opened with a key, though even of those some will never open. It's worth keeping track of locks and other obstacles with notes or the in-game camera.

• In general extensive use of the camera and keeping track of at least the basic information of the various characters and what happened when will help a great deal in keeping everything straight and figuring out certain solutions.

• There is little outright pixel-hunting involved as important objects tend to be placed in visible spots, but it's still worth being thorough and carefully going through every closet and drawer when exploring as the town is quite large and trying to find something you missed can be a pain.

• There is a puzzle based on darts in one of the houses that seem solvable just with the information present in the room. It is not, so don't waste your time trying to figure it out until you eventually find a very obvious clue to the solution.