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

• IEVUNSPA
  Infinite continues
• AESSLZTL
  Never die
• PESZIGAA
  Start on mission 2
• ZESZIGAA
  Start on mission 3
• LESZIGAA
  Start on mission 4
• GESZIGAA
  Start on mission 5
• IESZIGAA
  Start on mission 6
• AAVSIIPA
  Infinite magazines
• AAEIATPA
  Infinite grenades
• GANIYIZA
  Double bullets in each magazine
• NNESZALE
  Heal completely between levels
• GANULZZA
  Grenades inflict double damage
• ZAELGPIE
  Super power drinks
• PEVKVYYE + PAVSIIIE
  Increase magazines
• PENGXYIE + PAVSIILE
  Increase grenades