Arma 2
Arma 2: co-op for up to 4 players, on PC, came out 17 June 2009.
Want to play Arma 2 with friends?
Pick a night together in Lobbli: everyone marks when they are free, and you see which evening works.
Quick answers
Is Arma 2 co-op?
Yes, Arma 2 has a co-op mode.
How many players?
Up to 4 players.
Split screen?
No split screen mode is listed for it.
When did it come out?
17 June 2009.
Which platforms?
PC.
What kind of game is it?
Shooter, Simulator, Strategy, Tactical
Who makes it?
Bohemia Interactive Studio
From its Steam page: co-op.
About Arma 2
Arma 2 is set in the near future, year 2009, in a fictional post soviet country called Chernarus. Players will be sent as members of a United States Marine Corps Force Recon squad to this country to prevent further civilian casualties and ensure ongoing stability there. Arma 2 is based on the latest generation technology, offering large ?scale game world, authentic and extremely detailed modern units, weapons, vehicles and enviroments, challenging single player and vast array of multiplayer options.