Amphibian Mods describes procedures for installing and running single player mods for popular first person shooter games. The site is also a showcase for quality mods and map packs

City 17 is a Russian review site for single player maps and mods.

Creative Mapping is a Dutch mapping community.

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.

Dabu presents his portfolio on this, his personal site. It includes his released maps and projects he is working on.

“Destructive Studio is a team of mappers that pride themselves in their work by producing new and creative maps for all different games and categories. Our Forums helps to aid mapper by giving them a place where they can post their projects and receive input from other forum members and they are able to see [...]

Edit Life is a developer resource focusing on map creation for the source engine. The site hosts tutorials and detailed entity lists, error solutions, and soundscape information.

Foxhole is the spiritual home of many Hangar16s. The site offers active and mature forums, coupled with in-depth articles and reviews about most aspect of FPS gaming.

FPS Banana is one of the largest and most popular game customization community driven websites around, uniting talented artist from around the world in constant submission of custom created content for the games of today.

Games On Net is a gaming portal for the Austrailian ISP Internode.

GameStand.Net covers Source mods.

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