How about this:
randomize timer()
x=int(rnd(99)+1)
repeat
set cursor 0,0
input "Enter guess: ";y
if x>y then print "Higher" else if x<y then print "Lower" else print "Winner"
until x=y
wait key
And if we were to put more than one command per line. . .
randomize timer():x=int(rnd(99)+1):repeat:set cursor 0,0:input "Enter guess: ";y
if x>y then print "Higher" else if x<y then print "Lower" else print "Winner"
until x=y:wait key
System Specs: AMD Athlon 1700+ XP, GA-7VRX motherboard, 128MB DDR RAM, GeForce2 MX400 64MB VRAM