For the theme song, see Syphon Filter Main Theme. The Syphon Filter Franchise (or Syphon Filter Series) is the collection of games and other media that make up the Universe within the games. The series spans six games released across the Playstation, Playstation 2, Playstation 3, Playstation Portable (PSP) and Playstation Vita and has remained a Sony Exclusive since it's inception in 1999.