Synchronicity Co-op is a 2-player cooperative horror mod for the Source Engine.

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Synchronicity Co-op News Update

Synchronicity Co-op News Update

News 2 comments

Weapon models textured, iron sights, and new zombies!

Hardcore Difficulty

Hardcore Difficulty

News 1 comment

With the finalization of the hardcore difficulty, we would like to tell you what you gain from playing it, and show how it definitely is a much harder...

Flashlight System, Animating, and Other Updates

Flashlight System, Animating, and Other Updates

News 3 comments

A reasonably sized news update for your Co-op horror fun. New world flashlight system, modified animations, and other updates!

Synchronicity Mod - Big News!

Synchronicity Mod - Big News!

News 3 comments

Synchronicity Mod receives a big news update! Providing insight to the current status of the mod, what we are recruiting, and other exciting info. This...

Synchronicity Mod Updated Screenshots

Synchronicity Mod Updated Screenshots

News 8 comments

Alters1 Media (Screenshots/Models/Textures) and New Members Updates