The Metal Gear video games consist of 17 different albums, totaling over 940 hours of music within the 11 games. There were four different music labels used for the albums in different games. These include Sony Entertainment, Konami Digital Entertainment, Phantom Studios, Sumthing Else Music Works, and King Records (Japan). The most used record labels were Konami Digital Entertainment and King Records. Konami was used for Metal Gear 20th Anniversary: Metal Gear Music Collection, Metal Gear Solid 4: Guns of the Patriots Original Soundtrack, Metal Gear Solid: Peace Walker Original Soundtrack, and the Metal Gear 25th Anniversary: Metal Gear Music Collection, Metal Gear Rising: Revengeance. King Records was used for Metal Gear 2: Solid Snake Original Soundtrack, Metal Gear Solid Original Game