The Metal Gear 20th Anniversary - Metal Gear Music Collection is a compilation album released to tie in with the 20th Anniversary of the Metal Gear series. It was released on July 18, 2007 under the catalogue number GFCA-53. The album contains a collection of tracks taken from various different Metal Gear soundtracks, with some new tracks added. However, the album neglects to include music from the spinoff games (such as Metal Gear: Ghost Babel, and Metal Gear Acid) Also, "Yell 'Dead Cell' (VR Remix)" could be considered a new song as it has not been released commercially before this.