Syphon Filter is a third-person shooter stealth video game developed by Eidetic and published by 989 Studios for the PlayStation. It was first released on 31 January 1999 in North America, 9 July 1999 in Europe and on 12 August 1999 in Japan. It was released on Android devices worldwide on 25 March 2011. The game was followed by a sequel, Syphon Filter 2, in 2000, and spin-offs later released for the PlayStation Portable.