Return to Castle Wolfenstein: Tides of War

 is a first-person shooter game developed by Gray Matter Interactive and published by Activision on May 6, 2003 in North America and on May 15, 2003 in Europe for the Microsoft Xbox and other platforms. New maps were released on Xbox Live, but the content is no longer available with the discontinuation of Xbox Live support for the original Xbox on April 14, 2010.