Linux Mint 17.1 64bit / elementaryOS 0.3
Nvidia drivers: 352.21
Intel I7-920
6GB Ram 1600MHz
SSD 64GB
GTX560ti 1GB
WINE: 1.7.33
STEAM installed and Insurgency (stand alone). When the game starts, the menu works ok, but after connecting to the server 2-3 fps. I installed CS: GO (yes I know has a native version) works OK on WINE stable 121FPS.