▁time ▁the ▁E CS ▁made ▁its ▁ret ail ▁debut ▁as ▁the ▁Int ell iv ision ▁Computer ▁Module , ▁an ▁internal ▁sh ake - up ▁at ▁the ▁top ▁levels ▁of ▁Matt el ▁Electron ics ' ▁management ▁had ▁caused ▁the ▁company ' s ▁focus ▁to ▁shift ▁away ▁from ▁hardware ▁add - ons ▁in ▁favor ▁of ▁software , ▁and ▁the ▁E CS ▁received ▁very ▁little ▁in ▁terms ▁of ▁further ing ▁the ▁market ing ▁push . ▁Further ▁hardware ▁develop ments , ▁including ▁a ▁planned ▁Program ▁Exp ander ▁that ▁would ▁have ▁added ▁another ▁ 1 6 K ▁of ▁RAM ▁and ▁a ▁more ▁intr icate , ▁fully ▁featured ▁Ext ended - B AS IC ▁to ▁the ▁system , ▁were ▁halt ed . ▁ ▁In ▁the ▁end ▁a ▁half - do zen ▁software ▁titles ▁were ▁released ▁for ▁the ▁E CS ; ▁a ▁few ▁more ▁were ▁completed ▁but ▁not ▁released . ▁ ▁The ▁E CS ▁also ▁offered ▁four ▁player ▁game - play ▁with ▁the ▁optional ▁addition ▁of ▁two ▁extra ▁hand ▁controllers . ▁ ▁Four ▁player ▁games ▁were ▁in ▁development ▁when ▁Matt el ▁Electron ics ▁closed ▁in ▁ 1 9 8 4 . ▁ ▁World ▁Cup ▁Soccer ▁was ▁later ▁completed ▁and ▁released ▁in ▁ 1 9 8 5 ▁by ▁De xt el ▁in ▁Europe ▁and ▁then ▁IN TV ▁Corporation ▁in ▁North ▁America . ▁ ▁The ▁documentation ▁does ▁not ▁mention ▁it ▁but ▁when ▁the ▁E CS ▁Computer ▁Ad apter ▁is ▁used , ▁World ▁Cup ▁Soccer ▁can ▁be ▁played ▁with ▁one ▁to ▁four ▁players , ▁or ▁two ▁players ▁co oper atively ▁against ▁the ▁computer