Dota 1 is a MOBA game – MOBA stands for multiplayer online battle arena. DotA was first released as a custom map for Warcraft 3 under the name Defense The editor has been used in creating several custom maps, including the popular Defense of the Ancients map. The level editor has been substantially improved in DotA 6.74c Map Download - Dota-Allstars 6.74c Official Map It seems a bug by the Defense of the Ancients (DotA) map for Warcraft III: The Frozen Throne.