Silent Hill: Homecoming Cheats

Accomplish the indicated achievement to get the corresponding number of Gamerscore points:

Lock 'n' Load (25 points): Found rifle.
Sightseeing (10 points): Found one photo.
Josh's Gallery (50 points): Found all photos.
Alchemilla's Finest (10 points): Defeated one Nurse.
Eddie's Legacy (10 points): Defeated one Feral.
Lurk No More (10 points): Defeated one Lurker.
To The Point (10 points): Defeated one Needler.
Split Personality (10 points): Defeated one Schism.
Shades of James (20 points): Defeated one Siam.
Clear the Air (10 points): Defeated one Smog.
Creeper Reaper (10 points): Defeated one Swarm.
Out of Order (10 points): Defeated 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.

Additionally, there are sixteen secret achievements:

Six Feet Under (20 points): Defeated Sepulcher.
Blood Donor (20 points): Defeated Scarlet.
Catch Your Breath (20 points): Defeated Asphyxia.
Head Above Water (20 points): Defeated 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): Saved Wheeler.