Play the campaign with up to three friends online. Host chooses the mission and the difficulty. Each player's progress is saved, so that unlockables can be attained via co-op. Voice chat is open mic in co-op.
This page contains co-op info for SOCOM: Combined Assault on the Playstation 2. All information about SOCOM: Combined Assault was correct at the time of posting. Information is subject to change. If you see any errors please email us.