Half-Life 2 Campaign is a gametype for Garry’s Mod that allows you to play the Half-Life 2 saga in cooperative mode on a LAN or over the Internet. * Automatic difficulty configuration based on the number of players. * Custom auxiliary bar that is not tied to the player’s flashlight. * Delayed loading so everyone has a chance to finish the level. * Navigation marker for those who can’t find their way. * Player information is remembered between maps. * Support for Episode 1 and 2. * Vehicle spawning system so there are always enough vehicles.
Synergy?
Not synergy. This is in Gmod, not a separate mod.
Why not just play synergy?
synergy is for bums