Before Synergy, there were 2 mods: Dev Coop and DC Cooperative 2. The first release was in September of 2005. That's all, you don't need to do anything else. Make sure Half-Life Source content is mounted on the server. How long has Synergy been around? Synergy has been around since early 2005. To play with friends, subscribe to the collection, select Half-Life Co-op gamemode in the bottom right and just start hls00amrl map ( Half-Life Resized Maps category) through Garry's Mod menu. How do I install this mod? You can install Synergy directly through steam, do do so Click here (Requires steam installed an running).įor mor information, please refer to the Documentation. To play those maps you need to have the required game and have it mounted in Synergy. Some servers and maps require Episode 1, Episode 2 or any other custom mod mounted.

Make sure you've launched Half-Life 2 least once to initialize the game, before you play Synergy. What do I need to play? You will need the Steam client software, along with a game that contains Source SDK Base on the same Steam Account. FAQ What is this? Synergy is a cooperative modification for Half-Life 2.

Half life 2 coop campaign