The following are known Game Genie Codes for Fist of the North Star on Nintendo Entertainment System (NES).

• Infinite Lives
  SXKKYPVG
• Start With 1 Life
  PEKKGALA
• Start With 6 Lives
  TEKKGALA
• Start With 9 Lives
  PEKKGALE
• Freeze Timer
  SZSVGTVG
• One Hit Kills You
  OTSGOGSV
• Sweep Kick Damages Enemies More
  TEELTPPA
• Straight Kick Damages Enemies More
  AEOLGPLE
• Can’t Be Knocked Back By Big Thugs
  AAUKVGGA
• Pogo Stick
  EISGUPEY
• Take Minimum Damage From All Enemies
  OTSGOGSV
  PASGXKOI
• Any Attack Mega-Damages Enemies
  OVOUZPSV
  ZEOULOOS