Synergy
About
Synergy is a Half-Life 2 Modification that enables you to play through the Half-Life 2 series and many other 3rd-party campaigns cooperatively with friends.
Media
SCREENSHOT
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Game Info
PublisherUnknown
DeveloperUnknown
Rating
IGDB Reviews7
Retrospect Reviews0
Release Dates
Worldwide
MacSeptember 1, 2005
PC (Microsoft Windows)September 1, 2005
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