ClanBase is a free extensive system for gamers to play action games over the internet, founded by gamers in 1998, and now registering over 2.6 million players. Measured by activity, ClanBase has become the largest online gaming community and competition website in the world.
Online action games are usually played in teams (clans) and ClanBase provides them with clanpages, forums, news, files, ladders, leagues and an advanced system to arrange matches. Every day, over 20.000 people play a match through ClanBase (dd. Nov 2006).