Act of War: High Treason is an expansion pack to an action RTS game Act of War: Direct Action developed by Eugen Systems. It’s a game with intense well-balanced fast-paced gameplay, and a really realistic take on modern warfare! The events of the expansion take place three years after the events in the original game. Act of War: High Treason features: • The three main factions have received additional units. • The multiplayer was expanded with two new modes; Marine One Down and Scud Launcher. • Naval Combat! • Massive new single-player campaign! • Expanded tech trees! • Various balance changes and more!

Act of War: High Treason (abbreviated as AOW:HT) is an expansion pack for Act of War: Direct Action. It was developed by Eugen Systems and published by Atari. It was released in Europe on March 24, 2006 and in North America on May 30, 2006. ...   more on Wikipedia