Well thats 20$ down the drain , could of saved 10$ and time but oh well. (got the idea from my last Question Here post I did when someone said buy the game its only 20$)
Okay so I bought Arma 2 , so the question here is that if I need the other one, for example ARMA 2: Combined Operations etc.~ (and another question why does it say Arma is free but on steam it cost money?)