Valve Software
The official homepage for the Valve development team

VERC Collective
Community driven SDK resource site

Steam Powered
The Steam Games homepage showcasing Valves game library

Valve Developer Community
Expansive wiki based resource site for all Source engine development queries

Valve Gear Store
Buy exclusive Valve merchandise including t-shirts, hats and plush headcrabs!

Half-Life 2
The official homepage for Half-Life 2 containing game info and links

Counter-Strike
The official homepage for Counter-Strike containing game info and links

Day of Defeat
The official homepage for Day of Defeat containing game info and links

The Orange Box
The official homepage for the Orange Box games

Left 4 Dead
The official home page for zombie co-op game Left 4 Dead

Planet Half-Life
The Grandfather of all Half-Life fan sites having been around forever

HL Fallout
Possibly one of the best quality Half-Life 2 fansites to grace the web

Half-Life 2.DE
A fan site for the German speaking fans

Headcrab Union
A tight-knit Gamespot forum community

CS Nation
The most popular Counter-Strike news site on the web at this time

UK Terrorist
Popular Counter-Strike news site mainly covering the competitive gaming scene

Day of Defeat Network
One of the very few Day of Defeat fan sites left standing after the war

Team Fortress Portal DE
German Team Fortress 2 Site

HL2 Mods UK
Expansive listing of all Half-Life 2 modifications both released and under development

Interlopers
Mod news and development hints and tips are the dish of the day here

Edit Life
Scripts, tutorials and other editing information for the Source engine

Limelight Networks
A great bunch of lovely people who host our web servers for us