From SynMod
About Synergy
Synergy is a popular multiplayer cooperative modification for Half-Life 2. Synergy supports the Half-Life 2 campaign (including Lost Coast, Episode One, and Episode Two), Stock Maps, and Custom Maps created for the mod. The mod also supports a number of third-party single-player mods. Synergy is free software, however you must own Half-Life 2 in order to play it.
Added Features
Guides
System Requirements
Client / Listen Server
Required
Optional
Dedicated Server
Linux: Properly called GNU/Linux (but Linux on this site, for simplicity). An alternative operating system, like Mac and Windows, generally used for servers.Player: A real person who spectates or participates in the game.Client: Synergy uses a Client/Server software architecture. The "Server" runs the game and is authoritative about world simulation, game rules, and player input processing. A "Client" runs on a player's computer connected to a game server, and generates all the lovely graphics, etc.Server: Synergy uses a Client/Server software architecture. The "Server" runs the game and is authoritative about world simulation, game rules, and player input processing. A "Client" runs on a player's computer connected to a game server, and generates all the lovely graphics, etc. A "Listen Server" runs on the same hardware as a Client; whereas a "Dedicated Server" runs on it's own, independent hardware, separate from all Clients.
