Not much is known about the cooperative mode yet, but we do know it currently will support at least four players.
The game is set in the 1970s, 10 years after the events of Metal Gear Solid 3. It will star Big Boss and will take place in Costa Rica, divulging the back story of Outer Heaven's creation.
This page contains co-op info for Metal Gear Solid Peace Walker on the PSP. All information about Metal Gear Solid Peace Walker was correct at the time of posting. Information is subject to change. If you see any errors please email us.