alien arrive conquer earth enemy ship fill sky humanity retreat underground bunker locate city globe stand common threat fight invader city city build team globe save planet defeat aliensgameplayunder fall sky solo game multimission campaign mission charge defend besiege cityyour action power innovative dice placement mechanic choose action choose enemy ship descend big number well effect cause ship descend fasterexpand underground base gain access powerful action allow shoot enemy ship deploy robot increase workforce nt forget work research watch energy supplythe mothership draw close round ratchet tensioncan complete mission base destroyedofficial rule httpsczechgamescomfilesrulesunderfallingskiesrulesenpdfunder fall sky base print amp play game win card nanogame pampp design contest build intriguing mechanic come fullscale campaign provide content hour intense fun

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