Only grunts till level 14th, then grunts plus mines. I like the idea of the game but is very unbalanced, and even if you try to make an strategy with different units its too slow to set them up in different parts of the map and changing between units...
 "Chuck the Sheep"){kind=icon}
 "Alienocalypse"){kind=icon}
 "Learn to Fly"){kind=icon}
 "Cargo Bridge"){kind=icon}
 "Battalion: Nemesis"){kind=icon}
 "The Necronomicon"){kind=icon}
 "Black'n'White 2"){kind=icon}