Synergy

Languages: GermanDanishPortuguese (Portugal)ItalianChinese (Traditional)Chinese (Simplified)Spanish (Spain)KoreanRussianEnglishFrenchDutch

Engines: Source

Genres: ShooterPlatform

Themes: ActionScience fiction

Game Modes: Co-operative

Keywords: modern warfarezombieshelicoptersteamartificial intelligenceboss fightexplosionsteam achievementsmodern militarysteam workshoppolygonal 3dwasd movementsnipingdedicated serverstext dialoguesource mod

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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.