Medal of Honor: Allied Assault is a 2002 first-person shooter video game developed by 2015, Inc. It was published by EA Games and officially released for Microsoft Windows on January 22, 2002 in North America and on February 15, 2002 in Europe. Aspyr published the Mac OS X version released in August 2002. An incomplete Linux version was also released in 2004. Allied Assault is the third game in the Medal of Honor series. It is the first game in the series for Microsoft Windows, and the only game in the series with expansion packs. The game uses the id Tech 3 engine, with modifications from Heavy Metal: F.A.K.K.², to simulate infantry combat in the European and North African theaters during World War II. In the spring of 2014, GameSpy announced the shutdown of their master servers, which were responsible for MoH:AA’s in-game server browser.