Here is the full list of all 16 Haunted Memories achievements.
Commit a suicide.
Enter second floor at Green Inn.
Find the lowest point in GreenPark.
Find all photographs.
Find all scraps.
We are all noobs at the begining
Beat NORMAL difficulty.
Beat PARANORMAL difficulty.
Finish COLLECTOR episode below 1 hour and don't use typewriters.
Finish COLLECTOR episode below 30 minutes and don't use typewriters.
Find all U-Vision secrets.
Get killed before GreenPark entrance.
Beat COLLECTOR episode without flashlight and don't pick up any batteries.
Find the highest point in GreenPark.
Enter PowerStation building in episode 1.
Miss last scrap just before game ending in episode 1.