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Mining on the surface of mars is hard, especially when you have to keep an eye out for aliens, this mini mining robot helps the astronauts do the hard work.
CrystAlien Conflict
Engineer
The Engineer is a support unit. Can repair vehicles, repairs units, capture enemy buildings and is non-aggressive. Select unit and target a damaged unit or enemy building, the engineer will do the rest. Keep Engineers just behind the front lines to repair units in battle.