See also:

• Games: Video Games: Multiplayer: Leagues  (10)
• Games: Video Games: Shooter: Clans and Guilds  (127)

Case's Ladder - Parent site for multiple competitions, includes links to leagues in specific games..

ClanBase - Includes results and contact information for competing clans..

Elite Clan Warfare - Playing spearhead, Call of Duty:United Offensive, and Counter-Strike:Source. Includes player/team statistics and downloads area..

Multiplayer Games League - Playing Day of Defeat, Half life and Counter Strike series games. Includes past results and news..

Online Gaming League - Includes forums, supported games list, and rules..

ProLeague - Counter-Strike series leagues organised by country. Prizes available..

QuakeCon - Annual event with multiple games. Forum and gallery of previous years..

Squad Games - Includes forums, downloads, results and fixtures..

Stronger than All - Includes results, fixtures, forums, and config files for download..

United Gaming Clans - Playing TFC and Counter-strike. Includes news, fixtures, results, forums, downloads and IRC chat..

WarLeagues - Includes gallery, downloads, forum and competitor information..