The following are known Game Genie Codes for Kung Fu on Nintendo Entertainment System (NES).

• SUAAXA
  Both players have infinite lives
• PEZELG
  Both players have 1 Life
• PEZELK
  Both players have 9 Lives
• GZLATG
  Player 1 start at last Level reached
• GZLEPG
  Player 2 start at last Level reached
• SEZEGG
  Give Player 2 an advantage
• AEVXLSPT
  Enemy easier to shrug off
• ZEVXPIGE
  Enemy harder to shrug off
• LEEXSYPA
  Normal enemies do more damage
• XYUXEUZK
  Knife Thrower harder to beat
• GZVKIYSA + ATVKYNGG
  Do not die when time runs out