linux first person shooter game complete

In Linux, large-scale FPS (first-person shooting game) is not rare, but after opening it is a giant, oh, and around, I play on the eyes, play for a while dizzy, or looking at a bit of a model of the heart is real, fighting and killing also feel the heart is happy, really have artistic conception, Interesting (how you feel like a sadist). CS is a relatively common shot in Windows