The Metal Gear 25th Anniversary - Metal Gear Music Collection is a compilation album soundtrack released to celebrate the Metal Gear franchise's 25th anniversary. The album was announced on Konami's official store KONAMISTYLE and is released on August 22, 2012 (postponed from July 25, 2012 due to circumstances) for 3,150 Japanese yen under the catalogue number: GFCA321. The soundtrack is included inside a cardboard sleeve.