Tight horizons is an exercise in acrobatic flight. Press SHIFT to spell letters. Press UP for throttle. Right and Left arrows are used for steering. I tried to use Palm OS Graffiti, but I had to modify most of the strokes, so they could be performed by a biplane. Press H for hints. The word list is actually snatched from Scribblenauts. I don't know what half of these words mean.