Metro: Last Light will be released for Linux.
The First-Person-Shooter is a sequel to the title Metro 2033.
It's based on the 4A Engine and is distinguished by it's excellent graphics.
The game has already received an award: "GameSpot Editor's Choice Winner 2013". Furthermore it was rated with 82/100 by Metacritic. Recently, some other games developed by Deep Silver were part of the Humble Bundle, but none of these games has been officially supported on Linux yet!