What’s up with those weird MGS side modes?

Metal Gear Solid 2 skateboarding or the VR missions or the ape escape collab are a little mysterious if u ask me. why are they? how are they? and who did? many such questions... #metalgearsolid #hideokojima #deathstranding #apeescape #mgs #metalgearsoliddelta #konami CHAPTERS 0:00 MGS1 & VR Missions 19:24 MGS2 Subsistence & The Document of MGS2 53:23 The Legacy of the VR Missions 57:09 MGS3 & Ape Escape & The Dream 1:18:53 Acid & Death Stranding & The Rest