To get back home, you need to EXPLORE the terrain for resources. BUILD factories to convert resources to useful items, like guns, bombs and rocket engines. DEFEND your flag against waves of MobCorp agents by building fortresses and laying out traps. CONQUER the world by constructing towers, bridges, rocket propelled ships and anything else you can imagine within in a fully dynamic world. FIND a mysterious hidden relic. And finally, build the Ark space ship and bring yourself home!