Communities

Share Half-Life news and community content, including mod updates, fan art, fan films and more.

Portal and Portal 2 news and fan content. Now you’re thinking with portals.

The most fun you can have online. Now as a subcommunity.

Counter-Strike news, guides, community content and more.

The unofficial Garry’s Mod subcommunity. Share dupes, artwork, machinima, addons and more.

Left 4 Dead, the most fun you can have online! Connect with other fans of the cooperative shooter game. Share mods, discuss lore, and survive the zombie apocalypse together!

The official unofficial SFM subcommunity. Share SFM and S2FM posters, animations, guides, tutorials, and more.

The unofficial Valve community. For all things Steam, Source and more. Just don’t mention what comes after 2.

The official subcommunity for Black Mesa. Revisit the world that started the Half-Life continuum.

The official LambdaGeneration Community community. News, feedback and support related to our platform and LambdaBuilds.

The official Sven Co-op subcommunity. Pleasing Taste, Some Monsterism.

The official Entropy : Zero subcommunity. News, lore, fan-art and more!

A subcommunity dedicated to the GoldSrc engine. Share & discuss modding, programming, screenshots, and more. The engine is eternal!

A subcommunity focused to all games and mods made on the Source engine. Share news, WIPs, playthroughs, and troubleshoot your mod/Hammer with others!

A community for Valve’s upcoming multiplayer game, Deadlock! Share news, fan art, builds, clips and anything else. Come collect some souls with us.