When James ducks into the closet, he loads one clip into the handgun and fires ten bullets, emptying the magazine. When the cut scene ends, the gun is loaded with the amount of bullets it was carrying before the cut scene.
Every time James is shown walking up or down stairs, his legs move the same way they would if he were walking on flat grounds.
The speed limit signs in South Vale are in kilometers per hour. The game takes place in the United States, which uses miles per hour.
When James ducks into the closet to hide from Pyramid Head, he leaves his flashlight on the entire time, shining light through the slits and illuminating himself for Pyramid Head.