ДЄ March 2009 expansion pack, World in Conflict: Soviet Assault, added additional content, including additional campaign missions in which players assume the role of a Soviet military officer who commands Soviet forces in Europe, Russia and the US state of Washington.

The single-player story sees players assume the role of a United States Army officer who takes command of battalions of US and NATO forces the main bulk of their operations focus on combating a surprise invasion of the United States from Seattle, Washington, as well as operations in Southern France, Russia, and New York. The game's setting and story takes place in an alternate 1989, in which an impending economic collapse and the failure to achieve aid diplomatically from the West, leads the Soviet Union to invading Western Europe, triggering World War III. The game is considered by some to be the spiritual successor of Ground Control, another game by Massive Entertainment, and is generally conceived by its designers to be a real-time tactical game, despite being marketed as a RTS game.

The game was released in September 2007, receiving generally favorable reviews and several awards. World in Conflict is a 2007 real-time strategy (RTS) video game developed by the Swedish video game company Massive Entertainment and published by Vivendi Games for Microsoft Windows.

War of rights single player