Half-Life Coop is a mod for Half-Life 1 that adds a cooperative mode to the game's campaign. Unlike other coop mods like Svencoop or DC coop, it does not change important aspects about the game, because the objective of this mod is to be compatible with the servers of Half-Life 1 and keep it as vanilla as possible.

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Patch for Half-Life Coop v2.0

Patch for Half-Life Coop v2.0

Patch 5 comments

This patch fix 7 maps bugs for the new version of Half-life Coop.

hl.dll for your cooperative Half-Life server

hl.dll for your cooperative Half-Life server

Patch 10 comments

Exactly, I just created my own dll that weighs only 854 KB, now none of the players can kill each other and now they can freely change the model. Put...

Half Life: Coop V2.0

Half Life: Coop V2.0

Full Version 53 comments

This is the last version that I will do for my mod.

Half Life: Coop  V1.0

Half Life: Coop V1.0

Full Version 15 comments

This mod is still in process to add more improvements for cooperative mode. This one does not contain the final boss (Nihilanth)