Half-Life Portal is the biggest German website for Half-Life games, mods and other games from Valve. This web-portal has a community with forums, many news, articles, downloads and informations regarding most of Valve’s games, as well as Steam and third-party Source Engine games.

HL Spain is a Spanish community for all Valve’s Half-Life games and mods, such as Counter-Strike, Day of Defeat or Team Fortress Classic. You can find previews, reviews, tutorials and news for everything related to HL and GoldSrc.

HL2Mods is a simple and easy to use directory of mods for Half-Life 2. It covers Episode One and Two but doesn’t make a distinction.

HL2Spain is a Spanish fan-site and gaming community covering everything about the Steam Platform, Valve Games, and Source Engine based Games & MODs. It includes news, reviews, previews, manuals and tutorials done by their team and the community itself.

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

LanManiaX2 is a map and mod resource. But don’t let that simple description fool you, it contains a wealth of news and information.

Level Architect is the personal portfolio of Anthony Nichols.

Map-Factory is a database hosting custom maps for any FPS. If you’ve make a map or simply came across a good map, feel free to submit it! If not, then just navigate through the site and you’ll find a lot of good maps!

Mod DB is the largest website dedicated to supporting independent development of games

Modifikace is a Czech news and review site for single player Half-Life 1.

Mods Online is a news and community forum, with a very active user base.