Amnesia: The Dark Descent for Windows and Mac for free

The last remaining memories fade away into darkness. Your mind is a mess and only a feeling of being hunted remains. You must escape.
Awake...
Amnesia: The Dark Descent, a first person survival horror. A game about immersion, discovery and living through a nightmare. An experience that will chill you to the core.
You stumble through the narrow corridors as the distant cry is heard.
It is getting closer.