OnlineGame.se is a Scandinavian site that covers Team Fortress 2.

OzSource is the home of the Australian Gaming Combine. Steam discussion, Community Portal, Gaming news and opinions, critiques, retrospectives. Oz Source has been resurrected from its Half Life 2 Deathmatch origins.

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.

Phenomena On Break is a community brought together by their love of Valve games and games in general. They have used Valve games for over a year to make over one hundred comics based in the Half-Life universe, as well as the use the Source Engine and Gmod to create original universes and characters. They [...]

Planet Half-Life is the daddy of them all. It’s been online longer than most and is generally updated daily.

PlanetPhillip.com contains the most comprehensive database of single player maps and mods for the Half-Life series of game on the Internet.

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

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

Team Fortress HQ provides the latest news, articles, skins, maps, sprites, and everything else Team Fortress you can imagine.

The Half-Life Saga Story Guide was created in order to provide a concise, accurate, user-friendly overview of the events dealing directly with the events of the Half-Life Saga, and allowing users to easily get a better understanding of the story behind the games. It was written by Chan Karunamuni, with lots of help from contributions [...]

The Snarkpit has been online since 2001, making it one of the longest running websites that covers Valve’s games. It has had a number of redesigns over the years and always adds new features.

TotalHL.hu is a Hungarian Half-Life portal.