Shadow Ops: Red Mercury is a 2004 first-person shooter video game developed by Zombie Studios and published by Atari. It was released on the Xbox for the United States on June 15 2004 and on June 18 2004 for parts of the world using the PAL system. It was later released for Microsoft Windows in the United States on September 21 2004 and on October 1 2004 for parts of the world using the PAL system.