: Light and sound are your biggest enemies. You'll spend most of your time sticking to the shadows, using limited resources like matches or a flashlight that can give away your position.

: Resources are scarce. Saving your game actually requires you to stop and smoke a cigarette, which leaves you vulnerable for several seconds and makes a noise that can alert enemies.

: The game doesn't shy away from its horror roots. The environments are littered with environmental storytelling that highlights the depravity of the antagonists.