Syphon Filter

This page details one or more prototype versions of Syphon Filter.

Four demos of Syphon Filter are known to exist, all of which have numerous differences from the final game. Three on demo discs with differences from the final game and one full on prerelease version.

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Early DemosTwo early builds released on demo discs from Toys R Us and Official U.S. PlayStation Magazine, respectively. Nearly identical to each other, but not quite. Nov 11, 1998 prototypeDumped on August 8th, 2026, a internal full game prototype built 2 days after the Toys R Us demo. Third DemoStandalone demo disc that's closer to the final version but still not there. Built on 12/27/98. Final DemoFrom an Official U.K. PlayStation Magazine demo disc. Also Close to the final, but still has differences here and there.