Valve Community

HalfeR is a Russian fan-site, specialized on Half-Life, Half-Life 2, Episodes, addons like Blue Shift, Opposing Force and huge modifications like Black Mesa: Source and so on. The site contains news, previews, reviews, interviews, screenshots, patches, etc. fixes about the games.

Half-Life BR is Brazil’s largest Half-Life portal, you’ll find everything you need to know fromto develop mods to the smallest details of each characters, events, etc.

Having been around for nearly nine years, CS-Nation continues to be the leader in providing Counter-Strike related news to the community. Gamers from all over the world can learn about the latest updates to Counter-Strike 1.6, Counter-Strike: Source, Condition Zero, and all future sequels in the series.

Pájaros de Barro is a Spanish Gaming Community which offers public servers and support (tutorials, videos, forums, articles…) for Team Fortress 2 and Left 4 Dead as well as updated and fully spanish translated news and interviews related to Steam and Source Engine based games.

Obsidian Conflict is a co-operative modification created for Half-Life 2. It is a community based mod with focus on fun, co-operative and physics-related puzzles. The mod has an open story, but is still set in the Half-Life 2 universe.

Steam Friends covers all the news related to Steam and Valve.

SLUM is Czech Steam community and fan portal about Steam and Valve games.

Mine-Dog.net is an established group of gamers who enjoy playing all steam games together (and some non-steam games as well). They also enjoy making comics, movies, and all other forums of media. They currently run three servers that change games monthly. All are welcome to join.

Previous Design:

Left 4 Dead 411 looks like the perfect place to start if you are new to the game. It contains plenty of help for new players. Don’t think that if you are a veteran you won’t enjoy the site though, there’s more information than a horde of zombies can digest!

Mod DB is the largest website dedicated to supporting independent development of games, including mods, indie games, and user generated game content.

“Welcome to the Valve Developer Community. Whether you’re building a “Triple-A” commercial project or a mod for Half-Life® 2 , you’ll want to sign up as a Valve developer today. It’s free to join, and open to anyone working with the Source Engine and the Source SDK.”

The Whole Half-Life AKA TWHL is first and foremost a community of mappers and modders. It has very active forums and plenty of tutorials. There are also a lot of tutorials for various aspects of modding. In addition to regular mapping competitions there is also a Map Vault, which contains both finished maps and a lot of WIP as well.