Synergy

A Half-Life 2 co-operative mod created on the Source Engine.

OverviewSynergy is a Half-Life 2 cooperative modification for the Source Engine which allows you to play through Half-Life 2, Half-Life 2: Episode One and Half-Life 2: Episode Two, as well as levels made specifically for Synergy playable in Deathmatch and Teamplay gamemodes, with other players; it also supports installation of other Source Mods for cooperative play.

Synergy maintains the normal Half-Life 2 gameplay whilst slightly tweaking and modifying it with unique ideas. Synergy was originally released on September 1st 2005 and it was then later released on Steam on October 3rd 2008.System RequirmentsRecommended: Pentium 4 processor (3.0GHz, or better)1GB RAMDirectX® 9 level Graphics Card Windows® 7/Vista/XP/2000, Mouse KeyboardInternet Connection Minimum: 1.7 GHz Processor512MB RAM DirectX® 8 level Graphics Card Windows® Vista/XP/2000MouseKeyboardInternet Connection