Team Fortress 2.
TF2 sucks now with all the hats and crates. Save up some money and buy GMOD + CS:S.
Don't get team fortress 2, it sucks now. It's all about hats. I would get either CS:S, or Gmod.
Either CS:S for the props, or TF2 because it's a good game. Your call.
Don't get team fortress 2, it sucks now. It's all about hats.