Valve Community

The Cake Is A Pie is a video-blogging site dedicated to reviewing the latest in the Portal community – particularly custom mapping.

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

TeamFortress2.fr is a French site that covers the TF2 scene.

TF2 Tactics contains downloads, exploits, tutorials, skill videos, tips & tricks and training information for TF2.

TF2 Forum is the center for discussion, game strategy, and resources for Team Fortress 2. You can chat with the community, or take a look at their information sections.

L4D Maps is a website completely dedicated to Left 4 Dead and everything about it.

Gaming.Fi is a Finnish website covering plenty of games other than Valve’s games. It features plenty of updates and an active forum.

Stu-Pidaso is a website aimed at Half-Life and everything related to it.

HL Gaming covers all the news related to Valve gaming, including TF2, L4D and all your HL favourites.

The L4D Map Database is a library of all Left 4 Dead maps (official and custom) in the form of a wiki that anyone can contribute to. Includes downloads, screenshots, videos, information, and more for each map.

L4D.es is a website and Spanish Community dedicated to Left 4 Dead. Pagina web de Left 4 Dead en Español.

Black Mesa is a third-party total conversion modification for Half-Life 2 and a remake from the 1998 video game Half-Life. The ultimate goal of the mod is to recreate the original Half-Life from the ground up, using the advanced capabilities of the Source engine to create a new and more engrossing in-game world.