▁and ▁after ▁the ▁war , ▁and ▁also ▁contains ▁some ▁chap ters ▁describing ▁the ▁political ▁explo its ▁of ▁his ▁older ▁sib lings ▁back ▁on ▁Earth . ▁In ▁a ▁comment ary ▁track ▁for ▁the ▁ 2 0 th ▁An ni versary ▁audio book ▁edition ▁of ▁the ▁novel , ▁as ▁well ▁as ▁in ▁the ▁ 1 9 9 1 ▁Author ' s ▁Def init ive ▁Edition , ▁Card ▁stated ▁that ▁End er ' s ▁Game ▁was ▁written ▁specifically ▁to ▁establish ▁the ▁character ▁of ▁End er ▁for ▁his ▁role ▁of ▁the ▁Spe aker ▁in ▁Spe aker ▁for ▁the ▁Dead , ▁the ▁outline ▁for ▁which ▁he ▁had ▁written ▁before ▁novel izing ▁End er ' s ▁Game . ▁In ▁his ▁ 1 9 9 1 ▁introduction ▁to ▁the ▁novel , ▁Card ▁discussed ▁the ▁influence ▁of ▁Isaac ▁As im ov ' s ▁Foundation ▁series ▁on ▁the ▁no ve lette ▁and ▁novel . ▁Histor ian ▁Bruce ▁Cat ton ' s ▁work ▁on ▁the ▁American ▁Civil ▁War ▁also ▁influenced ▁Card ▁heavily . ▁ ▁End er ' s ▁Game ▁was ▁the ▁first ▁science - f iction ▁novel ▁published ▁entirely ▁online , ▁when ▁it ▁appeared ▁on ▁Del phi ▁a ▁year ▁before ▁print ▁publication . ▁ ▁Crit ical ▁response ▁ ▁Crit ics ▁received ▁End er ' s ▁Game ▁well . ▁ ▁The ▁novel ▁won ▁the ▁Neb ula ▁Award ▁for ▁best ▁novel ▁in ▁ 1 9 8 5 , ▁and ▁the ▁Hugo ▁Award ▁for ▁best ▁novel ▁in ▁ 1 9 8 6 , ▁considered ▁the ▁two ▁most ▁pr estig ious ▁awards ▁in ▁science ▁fiction . ▁