- The main article for this category is Clans.
“UniDoom (UD) is a Doom clan that was originally founded as a map review site in 1996 by Ralph...Unidoom
“IDP stands for Industrial Dream Productions and is a video game development group, as well as a...IDP
“Clans are groups of people playing multiplayer games as organized teams. There are numerous...Clans
“Clan Delta was a prominent Doom clan that originated on Doom Connector in October, 2004...Clan Delta