The 3v1_map_cgnp0rr8jvi8.zip file you have requested: Maps Levels Missions / 4 Players / 3v2 Map - 389.28kb is not available. Perhaps try browsing all files for the game Supreme Commander and upload any files you want to share or are missing. This is the only information we could locate:
For more information on Supreme Commander, visit Supremecommander.filefront.com Simple map, didn't put much effort into it. Made for 3v1 with the 1 player gets same resources as other 3 put together.