Steam: KimTheNukeJongUn (Same profile pic as here)
Don't really play too often, but I have: Garry's Mod (I love Prop Hunt, but servers tend to have too many people x_x), Team Fortress 2, Portal/Portal 2, and... Too many more to list that I haven't played, since my comp isn't that great!
I also play League of Legends on the North American server, same username as Steam name.