You can download a patch from Gamespot.com that will allow for multi-player games between Command & Conquer: Generals and Command & Conquer: The First Decade. A cheat that will stop the enemy from passing with Americans is to put 6 Rocket Soldiers and 4 Snipers inside a building. They'll stop any enemy movement nearby, including the helicopter combat drop. The Rockets Soldiers will take care of
. any vehicle or airship, while snipers take out the Soldiers. You can use this to defend your base or any specified place. For more cheats to the pc game of Command and Conquer: Generals, check out this website: http://www.cheatscodesguides.com/pc-cheats/command-conquer-generals/ .