Full list of all 40 Them and Us achievements.
The base game contains 19 achievements, and there are 2 DLC packs containing 21 achievements.
Kill all the shadow creatures on Fog Island.
Unlock Alicia’s base costume.
Kill a stalker while executing an instant-death attack.
Listen to any Famous LP record from start to finish.
Enter Dr. Arnold Howard's research chamber.
Unlock the door to the old tower.
Find a way to unlock the bow-gun mechanism.
Unlock the main gate.
You awoke in the Master's house and have managed to escape. But the nightmare has only just begun.
Finish the story with an S+ Rank on "Professional".
Finish the game on Professional difficulty.
Kill all the enemies inside the mansion.
Unlock all costumes.
Finish the game on Hard difficulty.
Find all documents in the game.
Unlock all rooms from the Mansion.
Finish the game in under 3 hours.
Obtain all weapons.
Finish the game without saving.
Finish the game in Over The Shoulder mode.
Finish the story in fixed camera mode.
Die for the first time.
Fight a Walker.