, ▁r anging ▁from ▁tent - like ▁buildings ▁to ▁sk ys c rap ers ▁and ▁a ▁space ▁elev ator . ▁These ▁buildings ▁serve ▁many ▁purposes ▁including ▁o xygen ▁creation , ▁living ▁qu arters , ▁food ▁cultiv ation , ▁resource ▁min ing , ▁protection ▁of ▁the ▁col ony , ▁expl oration ▁and ▁expansion . ▁F lying ▁d ron es ▁are ▁used ▁to ▁build , ▁upgrade , ▁rec ycle ▁and ▁manage ▁everything ▁in ▁the ▁col ony . ▁The ▁colon ists ▁themselves ▁travel ▁around ▁walking ▁or ▁in ▁H over ▁cars . ▁There ▁is ▁a ▁day ▁and ▁night - cycle , ▁and ▁during ▁the ▁night ▁cycle ▁everything ▁free zes ▁over ▁so ▁food ▁will ▁not ▁grow ▁and ▁solar ▁pan els ▁work ▁at ▁ 5 0 %. ▁The ▁col ony ▁must ▁also ▁co pe ▁with ▁various ▁environmental ▁conditions ▁including ▁storm s , ▁dust ▁dev ils , ▁to xic ▁gas ▁and ▁sh ard ▁storm s . ▁There ▁is ▁an ▁al ien ▁called ▁" the ▁cre ep " ▁which ▁grows ▁over ▁buildings ▁covering ▁them ▁in ▁its ▁tent acles ; ▁however , ▁d ron es ▁can ▁be ▁built ▁to ▁remove ▁" the ▁cre ep ". ▁There ▁are ▁other ▁al ien ▁thre ats ▁that ▁may ▁attack ▁a ▁col ony ▁including ▁pl ague ▁sp ores , ▁hover ing ▁guard ians ▁and ▁cult ist ▁air ships , ▁these ▁attacks ▁can ▁be ▁def ended ▁against ▁through ▁building ▁def ensive ▁structures ▁to ▁protect ▁the ▁col ony . ▁Research ▁can ▁be ▁carried ▁out ▁to ▁improve ▁the ▁cro ps ▁that ▁can ▁be ▁grown , ▁and ▁there ▁are ▁over ▁a