Syphon Filter was my favorite game.

As a sequel to Syphon Filter 3, it is the first game in the series to be released on the PlayStation 2.

Lab results show that Syphon Filter is a deadly next-generation biological weapon, capable of targeting specific demographics.

Released in 2000, its plot picks up immediately after where the previous Syphon Filter ended.

Syphon Filter, a video game in which terrorists attempt to release a genetically programmable virus.

It was released in 2001, and is a sequel to Syphon Filter 2.

In the series, Syphon Filter is the name given to the mysterious biological weapon.

An example of his true meanings was in the Syphon Filter.

In Syphon Filter 3, Logan tells a story about when he was an army ranger.

Being the sixth game in the series, it is the follow-up to Syphon Filter: Dark Mirror.