http://www.worthplaying.com/article.php?sid=17971
http://www.3dgamers.com/games/groundcontrol2/
http://www.computergames.ro/download.php/optiune-show_download/did-3343/index.html
http://files.filefront.com/3059358
http://www.filerush.com/download.php?target=groundcontrol2_demo_en.exe (torrent)