Four classic Syphon Filter games have been rated for PS4 and PS5

They will likely be made available as part of the new PlayStation Plus Premium…

A List Of Free PS5, PS4 And Classic Games In The New PS Plus Service

Four Syphon Filter games just got new ratings for the PS4 and PS5 - Xfire

Syphon Filter: The Omega Strain : Video Games

Syphon Filter Trophy Guide •

Ghostwire Tokyo, Uncharted: Legacy of Thieves Collection, and More Coming to PS Plus Extra/Premium

Syphon Filter 3 for PS5 and PS4, Ghost Trick rated in Korea : r/PS5

Syphon Filter for PlayStation - Sales, Wiki, Release Dates, Review, Cheats, Walkthrough

PlayStation Plus Review: A Great Deal That's Also a Real Mess - CNET

Syphon Filter 1, 2, Dark Mirror, and Logan's Shadow rated for PS5 and PS4 in Korea : r/PS5