This is a demo that I expanded to something more. Press ENTER or 2nd to fly, CLEAR to exit, Del at GAME OVER to delete your highscore.
How high can you get? I got to 30.
:ClrHome:Disp "HOW DOES A","MATHEMATICIAN","LOSE WEIGHT? :Pause " :Pause "BINOMIALS! :Pause "(BUY NO MEALS)":ClrHome