Homefront is an upcoming first-person shooter video game developed by Kaos Studios and published by THQ. It is scheduled to be released for Xbox 360, PlayStation 3, and Microsoft Windows on March 15, 2011 in North America, March 17, 2011 in Australia, March 18, 2011 in Europe and April 29, 2011 in Japan.

Homefront is set in a near future America in 2027 when a nuclear-armed Korean People’s Army invades the USA. The game is written by John Milius, who co-wrote Apocalypse Now and wrote Red Dawn. The beginning gameplay is reportedly set in Montrose, Colorado.
One of the major portions of the story arc is built around not only the growth of the North Korean forces over the years leading to the year 2027 (the year in which the game takes place), but also the economic downfall of the United States of America, and the unrest that seems to grip the nation before the invasion.

Homefront is speculative fiction, set in a near-future, post peak oil world that features a significantly declined United States, and a united Korea that has built a massive alliance in East Asia. The Gate Corporation (a major private military company) also plays a minor role. The game focuses on the collapse of the United States, subsequent occupation by the Greater Korean Republic – a united Korea under the rule of North Korea – and the American Resistance that fights said occupation. The player is invited to join the American resistance, “using guerrilla tactics, commandeering military vehicles, and utilizing advanced drone technology”, but the player may join the North Korean Forces as well but only in multiplayer matches. The game will also feature vehicle based 32 player online warfare using dedicated servers. The game is planned to ship on Xbox 360, PS3 and PC.

Source: http://en.wikipedia.org/wiki/Homefront_(video_game)