▁The ▁player ▁could ▁destroy ▁the ▁al iens ▁on ▁the ▁ground ▁as ▁they ▁fed , ▁or ▁( for ▁reduced ▁points ) ▁tack le ▁them ▁in ▁the ▁air ▁( the ▁al iens ▁were ▁ag ile ▁but ▁could ▁not ▁return ▁fire ). ▁If ▁an ▁al ien ▁reached ▁the ▁town , ▁the ▁game ▁was ▁lost . ▁A ▁minor ▁bug ▁permitted ▁the ▁plane ▁to ▁be ▁land ed ▁ups ide ▁down ▁without ▁consequence , ▁so ▁long ▁as ▁the ▁landing ▁g ear ▁had ▁been ▁deployed . ▁ ▁Although ▁better ▁known ▁for ▁his ▁Formula ▁One ▁simulation ▁games ▁on ▁the ▁PC ▁and ▁Am iga ▁platforms , ▁his ▁first ▁motor ▁racing ▁sim ulator ▁was ▁RE VS , ▁a ▁Formula ▁Three ▁sim ulator ▁that ▁deb uted ▁on ▁the ▁BBC ▁Micro ▁platform ▁in ▁ 1 9 8 4 . ▁The ▁BBC ▁version ▁of ▁Re vs ▁featured ▁just ▁one ▁track , ▁the ▁Silver stone ▁circuit , ▁but ▁the ▁real istic ▁implementation ▁of ▁motor ▁racing ▁physics ▁and ▁artificial ▁intelligence ▁of ▁the ▁computer ▁controlled ▁components ▁gave ▁the ▁game ▁enorm ous ▁depth ▁and ▁re play ability . ▁ ▁A ▁Com mod ore ▁ 6 4 ▁version ▁of ▁the ▁game , ▁entitled ▁Re vs ▁Plus , ▁was ▁released ▁in ▁ 1 9 8 6 , ▁which ▁added ▁the ▁Br ands ▁H atch ▁track ▁to ▁the ▁game . ▁An ▁en hanced ▁edition ▁of ▁the ▁BBC ▁version ▁was ▁later ▁released ▁called ▁' RE VS ▁ 4 ▁Tra cks ' ▁which ▁included ▁Br ands ▁H atch , ▁Don ington ▁Park , ▁O ult on ▁Park ▁and ▁S net ter ton ▁race ▁tracks .