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

• AAUAZPZA
  1 life
• IAUAZPZA
  Start with 6 Lives
• AAUAZPZE
  Start with 9 Lives
• SUKVTLVI
  Infinite Lives
• PUVAGAIU
  Start with more missiles
• PEUZPZIA
  1 missile picked up
• PEUZPZIE
  9 missiles picked up
• AEEILGPA
  Infinite missiles
• GASPTLZA
  More bullets picked up
• AAOSUPPA
  Infinite bullets