Sony Just Trademarked Syphon Filter for Some Reason

Logan rocks - Is stealth series Syphon Filter on the verge of a comeback? Probably not, but Sony Interactive Entertainment

Syphon Filter News - Push Square

Syphon Filter News - Push Square

Syphon Filter cover or packaging material - MobyGames

Syphon Filter (Video Game 1999) - IMDb

Syphon Filter, remasters and remakes – Out Of Lives

Syphon Filter creators Richard Ham & John Garvin 2hr brand new AMA

Days Gone Easter Egg Teases A Connection With The Old Syphon

Syphon Filter: Logan's Shadow - IGN

PlayStation Classic Syphon Filter Trademarked by Sony

Syphon Filter: Logan's Shadow - IGN

Syphon Filter: Dark Mirror for Sony PSP

Syphon Filter - Dark Mirror - Sony Playstation 2 PS2 - Editorial

Syphon Filter 3 - IGN

Syphon Filter: The Omega Strain (2004-04-13 prototype) : Free

Video Game first person shooter

Syphon Filter - PlayStation