▁A vi ator ▁was ▁of ▁un par alle led ▁quality ▁at ▁the ▁time ▁of ▁its ▁release ▁( c . ▁ 1 9 8 3 ), ▁with ▁a ▁real istic ▁flight ▁model ▁that ▁included ▁g - for ces ▁that ▁could ▁te ar ▁the ▁wings ▁off ▁in ▁a ▁d ive . ▁This ▁would ▁be ▁accompanied ▁by ▁a ▁continuous ▁high ▁pitch ed ▁be ep . ▁The ▁wings ▁could ▁be ▁restored ▁by ▁removing ▁the ▁physical ▁pressure ▁on ▁the ▁air frame ▁which ▁was ▁causing ▁the ▁flight ▁en velope ▁to ▁be ▁exceed ed . ▁Gener ally , ▁this ▁could ▁be ▁achieved ▁by ▁returning ▁the ▁jo yst ick ▁to ▁a ▁neutral ▁centre ▁position . ▁The ▁landscape ▁was ▁cr ud ely ▁rendered , ▁and ▁was ▁basically ▁a ▁plane . ▁Some ▁scen ic ▁features ▁were ▁drawn ▁as ▁vector ▁graphics , ▁including ▁low ▁hills , ▁fields , ▁a ▁lake , ▁a ▁susp ension ▁bridge ▁over ▁a ▁river , ▁and ▁a ▁small ▁town ▁which ▁compr ised ▁a ▁cluster ▁of ▁three ▁buildings . ▁Bon us ▁points ▁could ▁be ▁earned ▁for ▁flying ▁under ▁the ▁bridge ▁or ▁along ▁the ▁main ▁street ▁of ▁the ▁town ▁at ▁a ▁lower ▁alt itude ▁than ▁the ▁buildings . ▁Double ▁points ▁were ▁earned ▁for ▁performing ▁these ▁st un ts ▁ups ide ▁down . ▁The ▁game ▁also ▁had ▁a ▁shoot - ' em - up ▁mode ▁in ▁which ▁al ien ▁vessels ▁were ▁seed ed ▁in ▁the ▁fields , ▁feed ing ▁on ▁the ▁cro ps ▁and ▁growing ▁until ▁they ▁could ▁become ▁air bor ne , ▁at ▁which ▁point ▁they ▁head ed ▁for ▁the ▁town .