: Gameplay centers on extracting oil ("earth blood") as the primary resource to fund construction and unit production.
: High-tech military humans who lived in underground bunkers for 60 years and use advanced mechanical vehicles and weaponry. KKND (Krush, Kill 'N Destroy)
: Units gain experience through combat, indicated by color-coded health bars. Promoted units (veterans) gain improved stats and health regeneration. : Gameplay centers on extracting oil ("earth blood")