Synergy is the Half-Life 2 (HL2) Cooperative Multiplayer Modification
Description
Synergy is, as the name suggests, a cooperative Half-Life 2 mod. Synergy was previously known as two separate mods, "DC Coop 2" and "DevCoop". We merged and are now bringing you the best cooperative experience possible.
The main objective in Synergy, is for all players to complete the given objectives for each level; Escape, Assault, Defend, etc. You work together as a team to finish the level.
Synergy also supports Deathmatch and Teamplay (Combine vs. Rebels). We encourage the use of NPCs in all levels, even if it's Deathmatch. We try to give the level artists much more customizability than Half-Life 2 already provides. You can see the Features list for details.
F.A.Q.
What is this?
Synergy is a cooperative modification for Half-Life 2 that also supports Deathmatch and Teamplay game modes. If you're asking about the website, it's an archive for Synergy clients and media.
How long has Synergy actually been around?
Synergy has been around since early 2005. The first release was in September of 2005. Before Synergy, there were 2 mods: Dev Coop and DC Cooperative 2. DC Cooperative had been around since 2003.
Why can't I pick up some weapons on the ground like the RPG?
Make sure you have enough room to carry it, it's a fairly expensive weapon (takes up a lot of your Load space). Bind a key in keyboard options to drop weapon and drop some until you have enough free space in Load to pick it up.