- PC
Game Cheats:
Doctor mode:
Successfully complete the game on any difficulty to unlock Doctor mode.
Nightmare mode:
Successfully complete the game to unlock the Nightmare difficulty.
FAMAS with infinite ammunition:
Successfully complete the game on the Nightmare difficulty to unlock the FAMAS with unlimited ammunition.
Hidden Package:
Successfully complete the game with the fourth ending to unlock the Hidden Package.
Nightvision:
Successfully complete Doctor mode to unlock nightvision.
Bonus items:
Successfully complete the indicated task to unlock the corresponding item:
Camera : Successfully complete the game in under two hours and thirty minutes.
David Leatherhoff's Axe : In the "Heaven" level, enter the code "26-16-4-27-49-2-32-45-12-23",
get the axe, then use it on a Twitcher.
Simon's Book : Successfully complete the game on the Nightmare difficulty with an "S" rank.
Secret rooms:
Use the following secret rooms to change costumes or equip items and weapons:
1.At the start of Chapter 1, enter the first door on the left after seeing the black figure walking away.
2.At the start of Chapter 6, search for a wrecked red car, and enter the trap door that is next to it.
Note: This room allows you to regain items and weapons that were lost after the train crash.