natedawg (DayZ) 0 Posted July 2, 2012 do i need to purchase arma 2: CO or will purchasing arma 2 and arma 2 operation arrowhead separately be sufficient?or do i need operation arrowhead at all?bump bumpcmon and tell me already i want to kill zombies Share this post Link to post Share on other sites
JeffCraig 1 Posted July 2, 2012 Separate will work fine. I've done it both ways with Steam.Arma 2: OA is required. Some people have been using the free version of Arma 2 with a legit copy of Arma 2: OA, but I'm not sure how long that will work. Share this post Link to post Share on other sites
natedawg (DayZ) 0 Posted July 2, 2012 alright thank you so much for the help! Share this post Link to post Share on other sites
