Unlock Haya-Oh Boss
There are two things you must
do to fight Haya-Oh: 1. Get up to and Beat Stage 18 without using a single
continue and 2. Complete Stage 18 and make sure you don't get hit. If you do
one of them you chance to fight Haya-Oh, the final boss of the Master System
and Sharp X86000 ports of Space Harrier.
