ACHIEVEMENT - HOW TO UNLOCK
Lock 'n' Load (25 points) - Find a rifle.
Sightseeing (10 points) - Find a  photo.
Josh's Gallery (50 points) - Find all photos.
Alchemilla's Finest (10 points) - Defeat one Nurse.
Eddie's Legacy (10 points) - Defeat one Feral.
Lurk No More (10 points) - Defeat one Lurker.
To The Point (10 points) - Defeat one Needler.
Split Personality (10 points) - Defeat one Schism.
Shades of James (20 points) - Defeat one Siam.
Clear the Air (10 points) - Defeat one Smog.
Creeper Reaper (10 points) - Defeat one Swarm.
Out of Order (10 points) - Defeat one Order member.
Kaufmann's Handiwork (10 points) - Found one serum.
Health Junkie (50 points) - Found all serums.
The Old Gods... Haven't Left This Place (100 points) - Complete game on hard difficulty.
Nursery Rhymes (50 points) - Found all the children's drawings.
Six Feet Under (20 points) - Defeat Sepulcher.
Blood Donor (20 points) - Defeat Scarlet.
Catch Your Breath (20 points) - Defeat Asphyxia.
Head Above Water (20 points) - Defeat Amnion.
Rising Tension (25 points) - Found Circular Saw.
Science Fiction (25 points) - Found Laser Pistol.
Smile (50 points) - Achieved Ending 1.
In Water (50 points) - Achieved Ending 2.
Judgement (50 points) - Achieved Ending 3.
Intensive Care (50 points) - Achieved Ending 4.
No Dogs Allowed (50 points) - Achieved Ending 5.
Mercy (50 points) - Alex ended his mother's suffering.
Compassion (50 points) - Alex could not end his mother's suffering.
Forgiveness (50 points) - Alex Forgives his father.
Angela's Choice (50 points) - Alex does not forgive his father.
Now About Those Drinks (25 points) - Save Wheeler.