This is probably the game with the highest system requirements on Linux
Amnesia: A Machine for Pigs, a horror FPS game developed by the Frictional Games studio, is now available for pre-purchase on the Linux platforms.The developers from Frictional Games have been Linux supporters for a long time and their previous games, Penumbra Overture and Amnesia: The Dark Descent, have been available on Steam for Linux right from the start.
In case you don't know anything about these game and about the publisher, then it’s imperative to also play Amnesia: The Dark Descent, considered one of the scariest games ever created.
The recommended Linux requirements are pretty high: a 2.0 Ghz core i7 CPU or equivalent processor, 4 GB RAM, NVIDIA GeForce 5x0 or ATI Radeon HD 6x00, and 5 GB available HD space.
Amnesia: A Machine for Pigs benefits from a discount of 20% until 10 September 2013, which is also the launch date.