Sludge City is a 2v2 map created for the 2016 season 1 ladder of Legacy of the Void. It continues to be used in the current map pool.
Official Map Description[]
This is a very macro heavy map. Plan to have minimal defenses during the early game while choosing the direction your team will secure future expansions together.
References[]
Blizzard Entertainment. StarCraft II. (Activision Blizzard) Map: Sludge City (in English). 2016.