Unlock Nail Gun and Double Axe:
Enter “171678” as a combination at a green locker to unlock the Nail Gun and Double Axe.

Trophies:

Bronze trophies
Art Appreciation – Completed “The Art Collector” side quest.
Ashes, Ashes – Collected 3 pages of the rhyme book.
Birdman – Completed the “Bird Cage” side quest.
Broken Cycle – Defeated The Bogeyman.
Calling All Cars – Completed the “All Points Bulletin” side quest.
Cutting Room Floor – Completed the “Cin?ma V?rit?” side quest.
Dust to Dust – Completed the “Ashes to Ashes” side quest.
Found a Friend! – Met DJ Ricks in the Radio Station.
Going off the Rails – Escaped from Devil’s Pit.
Gun Control – Killed 25 monsters with the Pistol or Shotgun.
Hypochondriac – Used 20 First Aid Kits.
Long Walk, Short Pier – Completed the “Ribbons” side quest.
Neighborhood Watch – Completed the “Stolen Goods” side quest.
No Turning Back – Reached Overlook Penitentiary.
Now You’re Cooking… – Survived the Diner Otherworld.
Out of the Frying Pan – Rode the Sky Tram to Devil’s Pit.
Silent Alarm – Completed “The Bank” side quest.
Spot the Difference – Completed the “Mirror, Mirror” side quest.
Telltale Heart – Completed the “Dead Man’s Hand” side quest.
Turn Back Time – Completed “The Gramophone” side quest.
Useless Trinkets – Completed the “Digging up the Past” side quest.
What’s Your Sign? – Completed the “Shadow Play” side quest.
Whatever Doesn’t Kill You… – Escaped the Radio Station Otherworld.
Will Work For Food – Completed the “Homeless” side quest.

Silver trophies
Ending A – Achieved “Forgiveness” ending.
Ending B – Achieved “Truth