Here is the full list of all 29 Tormented Souls achievements.
Kill 20 enemies
Kill an enemy using a trap.
Create the shotgun.
Activate the door to the operation area
Save the game.
Start the generator
Escape from the bathroom.
Escape with Anna.
Complete the game.
Collect all of Maria's diary entries.
Collect all of William's diary entries.
Collect all of Bertram's diary entries.
Collect all of Anna's diary entries.
Complete the game without using any health items.
Let the shadows consume you.
Travel to the past.
Solve all the combination key puzzles.
Escape the infinite room.
Complete the game in under three hours.
Complete the game without saving.
Pick up five first aid kits.
Save only yourself.
Find your old hiding place
Open the vault
Reattach a limb
Start the pump
Locate Anna
Unlock the door under the hall stairs
Kill 40 enemies