Set the Default Gamemode option to “half-life-2-campaign”. Select the HL2 map of your choice and then click the Options tab. Next, start up Garry’s Mod and click Create Multiplayer at the main menu. steamapps//garrysmod/garrysmod/gamemodes/half-life_2_campaign /gamemode steamapps//garrysmod/garrysmod/gamemodes/ Running a Listen Serverīrowse to the below directory and edit the sh_a file to your liking. InstallationĮxtract the zip to the following directory on your hard-drive: Play the original Half-Life 2 campaign in co-op mode with your friends online.
