ait o ▁prof its ▁of ▁over ▁$ 5 0 0   mill ion . ▁ ▁The ▁ 1 9 8 0 ▁At ari ▁ 2 6 0 0 ▁version ▁was ▁the ▁first ▁official ▁lic ens ing ▁of ▁an ▁ar cade ▁game ▁for ▁cons oles ▁and ▁became ▁the ▁first ▁" k iller ▁app " ▁for ▁video ▁game ▁cons oles ▁after ▁quad ru pling ▁the ▁system ' s ▁sales . ▁It ▁sold ▁over ▁two ▁million ▁units ▁in ▁its ▁first ▁year ▁on ▁sale ▁as ▁a ▁home ▁console ▁game , ▁making ▁it ▁the ▁first ▁title ▁to ▁sell ▁over ▁a ▁million ▁cart rid ges . ▁Other ▁official ▁ports ▁were ▁released ▁for ▁the ▁At ari ▁ 8 - bit ▁computer ▁line ▁and ▁At ari ▁ 5 2 0 0 ▁console , ▁while ▁T ait o ▁later ▁released ▁it ▁for ▁the ▁N intendo ▁Fam ic om ▁in ▁ 1 9 8 5 , ▁but ▁just ▁in ▁Japan . ▁N umer ous ▁uno fficial ▁cl ones ▁were ▁made , ▁such ▁as ▁the ▁popular ▁computer ▁games ▁Super ▁Inv ader ▁( 1 9 7 9 ) ▁and ▁T I ▁Inv aders ▁( 1 9 8 1 ); ▁the ▁latter ▁was ▁the ▁top - s elling ▁game ▁for ▁the ▁Texas ▁Inst ru ments ▁T I - 9 9 / 4 A ▁through ▁at ▁least ▁ 1 9 8 2 . ▁Ad just ed ▁for ▁infl ation , ▁sales ▁of ▁all ▁versions ▁of ▁Space ▁Inv aders ▁combined ▁are ▁estimated ▁to ▁have ▁exceed ed ▁$ 1 3 ▁billion ▁in ▁gross ▁re venue , ▁making ▁it ▁the