Full list of all 41 Silent Hill: Downpour achievements worth 1,000 gamerscore. It takes around 15-20 hours to unlock all of the achievements on Xbox 360.
Achieved "Execution" ending.
Achieved "Truth & Justice" ending.
Killed or incapacitated 10 Weeping Bats.
Achieved "Surprise!" ending.
Completed the game on any difficulty without killing any monsters.
Completed Murphy's Journal with all Mysteries.
Completed the "Digging up the Past" side quest.
Incapacitated 20 monsters without killing them.
Achieved "Full Circle" ending.
Achieved "Forgiveness" ending.
Completed the game on the hard puzzle difficulty setting, any ending.
Completed the game on the hard game difficulty setting, any ending.
Killed or incapacitated 10 Prisoner Juggernauts.
Reached Overlook Penitentiary.
Completed the "Mirror, Mirror" side quest.
Completed all side quests.
Killed 25 monsters with the Pistol or Shotgun.
Completed the "Shadow Play" side quest.
Completed the "Bird Cage" side quest.
Completed the "Homeless" side quest.
Completed the "Ribbons" side quest.
Completed the "Ashes to Ashes" side quest.
Completed the "Dead Man's Hand" side quest.
Completed "The Art Collector" side quest.
Defeated The Bogeyman.
Collected 3 pages of the rhyme book.
Killed or incapacitated 10 Dolls.
Completed "The Bank" side quest.
Killed or incapacitated 10 Prisoner Minions.
Completed the "Cinéma Vérité" side quest.
Completed "The Gramophone" side quest.
Escaped the Radio Station Otherworld.
Used 20 First Aid Kits.
Met DJ Ricks in the Radio Station.
Completed the "Stolen Goods" side quest.
Escaped from 20 monsters.
Killed or incapacitated 10 Screamers.
Completed the "All Points Bulletin" side quest.
Escaped from Devil's Pit.
Rode the Sky Tram to Devil's Pit.
Survived the Diner Otherworld.