Activision announced today that Call of Duty: United Offensive - the expansion pack to Infinity Ward's highly acclaimed Call of Duty has gone gold and will ship to retail outlets nationwide on Sept. 14.
This expansion pack features a total of 13 all-new single player missions filled with new weapons, player abilities and special effects, as well as an expanded multiplayer experience introducing 11 new maps and three new modes of play.
Developed by Gray Matter Interactive Studios, Call of Duty: United Offensive is rated "T" (Teen - Blood, Mild Language, Violence) by the ESRB and will carry a suggested retail price of $29.99.
