The Separatist Base functioned as the central command center for factions of the Mantellian Separatists situated on the Mannett Point isle of Ord Mantell throughout the duration of the Separatist War; it was essentially a fortified bunker.
Star Wars: The Old Republic, a massively multiplayer online roleplaying game (MMORPG) developed by BioWare, marked the initial appearance of the Separatist Base; its release date was December 20, 2011.