▁to ▁have ▁more ▁al ien - looking ▁plan ets ▁and ▁features ▁be ▁potential ▁out comes ▁of ▁the ▁system , ▁such ▁as ▁by ▁introdu cing ▁chemical ▁elements ▁that ▁would ▁enable ▁green - t int ed ▁atmos pher es ▁and ▁allowing ▁mo ons ▁to ▁orbit ▁much ▁closer ▁than ▁the ▁laws ▁of ▁gravity ▁would ▁allow ▁to ▁create ▁impress ive ▁back dro ps ▁on ▁plan ets . ▁To ▁ass ure ▁that ▁the ▁proced ural ▁generation ▁worked ▁well , ▁the ▁development ▁team ▁created ▁the ▁in - game ▁equivalent ▁of ▁autom ated ▁prob es ▁to ▁visit ▁the ▁various ▁plan ets ▁and ▁take ▁images ▁to ▁review ; ▁this ▁allowed ▁for ▁some ▁twe aks ▁to ▁be ▁made ▁by ▁human ▁developers . ▁ ▁Music ▁▁ ▁No ▁Man ' s ▁Sky ▁features ▁a ▁sound track ▁by ▁English ▁post - rock ▁band ▁ 6 5 day so f static ▁( 6 5 D OS ), ▁as ▁well ▁as ▁proced ur ally ▁generated ▁ambient ▁music ▁composed ▁by ▁Paul ▁We ir . ▁The ▁game ▁uses ▁a ▁gener ative ▁music ▁system ▁called ▁P ulse ▁developed ▁by ▁We ir , ▁using ▁a ▁large ▁library ▁of ▁loops , ▁text ures ▁and ▁mel od ies ▁created ▁by ▁ 6 5 D OS ▁to ▁randomly ▁create ▁music ▁to ▁accomp any ▁the ▁game play , ▁react ing ▁to ▁the ▁change able ▁terrain ▁and ▁becoming ▁more ▁or ▁less ▁men acing ▁depending ▁on ▁whether ▁a ▁character ▁is ▁in ▁danger . ▁▁ 6 5 D OS ▁became ▁involved ▁in ▁the ▁project ▁when ▁Hello ▁Games , ▁prepar ing ▁their ▁debut ▁tra iler , ▁contact ed ▁