1000:2000 "PLANET LANDER"  ( N:P=R(N) 2I=1 P:P$,G,A:I < "YOU ARE COMING DOWN ONTO ";P$ F"GRAVITY IS ";G P"AND AIR RESISTANCE IS "; ZA<4 "LOW" d!A>3 A<7 "MEDIUM" nA>6 "HIGH" xT=0:H=250 V=30:F=100d I=1 1500:I 2000 "TIME ";T,"HEIGHT ";H "SPEED ";V,"FUEL ";F F=0 220 :"FUEL TO USE" F1 /F1<0 F1>40( "CHEAT!":200 F1>F F1=F V1=V-F1+G:F=F-F1 D=(V1+V)/2 DH 3106 H=H-D V=V1:T=T+1 Q=(V*V/1800)*A "Q>10 360h , 150 6V1=V+(G-F1)*H/V @0V1>7 "YOU MADE A BIG CRATER! BAD LUCK" J0V1>2 V17 "YOU BROKE YOUR LEG!" T%V12 "GOOD ENOUGH LANDING!" ^ 4000 h2"YOU ARE GOING SO FAST,YOU WILL SOON BURN UP..." rA=A+10 |Q<20 140 $"SIZZLE.....SIZZLE......BOOOOMMM!" ("YOU HAVE TURNED INTO A FALLING STAR!"  4000  8 "VEGA",4,5 "SNURG",8,8 "GLIRP",2,1 "DORTON",9 ,4 &"SPROG",6,6 0"FLORP",1,3 :"PLURG",7,9 D"RITAL",9 ,2 R(X)=(*X+1)  : I$=