These include 2 collections: Metal Gear 20th Anniversary - Metal Gear Music Collection and Metal Gear 25th Anniversary - Metal Gear Music Selection. The soundtracks are from Metal Gear Solid 4: Guns of the Patriots, Metal Gear Rising: Revengeance and Metal Gear Survive. Metal Gear Solid V: The Phantom Pain has 4(!) different soundtracks: Extended Soundtrack, Original Soundtrack Selection, Vocal Tracks and The Lost Tapes.
Can you think of anything better? No, you can not.