Tarsonis Assault (formerly Coalition) is a 4 player allied map for StarCraft II. Allies are located close to one another and natural expansions are easy to control.
The map was removed from the ladder pool as expansions were too far.
Blizzard Entertainment. StarCraft II: Wings of Liberty. (Activision Blizzard) Map: Tarsonis Assault (in English). July 27, 2010