The following are DotA maps of 6v6 format i.e. 6 players on each side… Sentinel & Scourge. These maps are made by GoD-Tony.
Download Links: DotA Allstars v6.62b 6v6 Ver.1
What GoD-Tony has to say about the map:
A quick update by IceFrog to fix a major exploit found in the official version of DotA.
Endgame Scoreboard is too big to fit all 12 players.