Synergy

Released 2005 · Rating 89/100

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.

Steam Reviews: Very Positive — 89% (11607 reviews)

Achievements: 1

Game Modes: Co-operative

Themes: Action, Science fiction

Platforms: Mac, PC (Microsoft Windows)

Genres: Platform, Shooter

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