Game Genie Codes
The following are known Game Genie Codes for Fist of the North Star on Nintendo Game Boy.- 21E-9FF-4C1
Almost invincible - 21F-A5F-4C1
No energy loss from weapons that are 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