▁ ▁Matt el ▁Electron ics ▁built ▁a ▁state ▁of ▁the ▁art ▁voice ▁processing ▁lab ▁to ▁produce ▁the ▁phr ases ▁used ▁in ▁Int ell ivo ice ▁games . ▁ ▁However , ▁the ▁amount ▁of ▁speech ▁that ▁could ▁be ▁com pressed ▁into ▁an ▁ 8 K ▁or ▁ 1 2 K ▁cart ridge ▁and ▁still ▁leave ▁room ▁for ▁a ▁game ▁was ▁limited . ▁ ▁Int ell ivo ice ▁cart rid ges ▁Space ▁Spart ans ▁and ▁B - 1 7 ▁Bom ber ▁did ▁sell ▁about ▁ 3 0 0 , 0 0 0 ▁copies ▁each , ▁pr iced ▁a ▁few ▁dollars ▁more ▁than ▁regular ▁Int ell iv ision ▁cart rid ges . ▁ ▁However , ▁at ▁$ 7 9 ▁the ▁Int ell ivo ice ▁did ▁not ▁sell ▁as ▁well ▁as ▁Matt el ▁expected , ▁and ▁Int ell ivo ices ▁were ▁later ▁offered ▁free ▁with ▁the ▁purchase ▁of ▁a ▁Master ▁Component . ▁ ▁In ▁August ▁ 1 9 8 3 ▁the ▁Int ell ivo ice ▁system ▁was ▁quietly ▁ph ased ▁out . ▁ ▁A ▁children ' s ▁title ▁called ▁Magic ▁Car ousel , ▁and ▁foreign ▁language ▁versions ▁of ▁Space ▁Spart ans ▁were ▁completed ▁but ▁sh el ved . ▁▁ ▁Add itional ▁games ▁Wo ody ▁Wood pe cker ▁and ▁Space ▁Sh utt le ▁went ▁un fin ished ▁with ▁the ▁voice ▁record ings ▁un used . ▁ ▁The ▁four ▁titles ▁available ▁for ▁the ▁Int ell ivo ice ▁system , ▁in ▁order ▁of ▁their ▁release , ▁were : ▁ ▁Space ▁Spart ans ▁B - 1 7 ▁Bom ber ▁Bomb ▁Squad