NamCollection was released by Namco exclusively in Japan on July 21, 2005 for the PlayStation 2 to coincide with the company's 50th anniversary.[1] The game was publicly announced by Japanese publication Famitsu on March 24, reported to be around 80% complete by that time.[2] Originally slated for release on June 2, it was later delayed to July 31 of that year for unknown reasons.[1][3]