Here are some cheats and tips for the game Fist of the North Star.
21E-9FF-4C1 Almost invincible
21F-A5F-4C1 No energy loss from weapons thrown
05B-CCE-E6E Start on level 5
09B-CCE-E6E Start on level 9
40F-F7E-195 Start with 25% energy
7F4-F7E-195 Start with 50% energy
C44-F7E-195 Start with 75% energy