Operation Flashpoint: Red River developers introduce a fancy new co-op feature named ‘drop-in drop-out,’ allowing players to hop into an existing game or leave without causing any type of interruption. Operation Flashpoint: Red River struts its 4 player co-op multiplayer mode in this fireteam brave engagement gameplay. Operation Flashpoint: Red River, an all-new chapter in the tactical shooter series due to ship in Europe on April 21st and across North America on April 26th, for PC, Xbox 360 and