Syphon Filter
video game series

Syphon Filter is a third-person shooter video game series created by Bend Studio (formerly Eidetic) and owned by Sony Interactive Entertainment. for the PlayStation, PlayStation 2 and PlayStation Portable. In the series, Syphon Filter is the name given to a mysterious biological weapon.
Games
Syphon Filter (1999)
The plot centres on special agents, Gabriel Logan and Lian Xing, who are tasked by the United States government to apprehend Erich Rhoemer, an international terrorist.
Syphon Filter 2 (2000)
The plot picks up immediately after where the previous Syphon Filter ended. Gabe sets out to cure the virus, whilst being targeted as a "terrorist" by the United States government.
Syphon Filter 3 (2001)
Gabe and his team are suspected of treason. Summoned to prove their innocence, the team recounts the incidents that led to this moment. In the background, Gabe moves to rid the world of Syphon Filter once and for all.
Syphon Filter: The Omega Strain (2004)
Gabe, now commander of a government agency, leads global investigation of viral outbreaks in order to stop a deadlier strain of the titular virus from emerging.
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Named sources, stable identifiers and responsible institutions provide the strongest route from overview to verifiable evidence. The source revision retrieved here is dated Aug 9, 2026. The linked authority identifier is Q2255625. The first chronological checks are 1999, 2000, 2001 and 2004.
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This entry incorporates text from “Syphon Filter” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.