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

• SZNYXOVK
  Infinite Bombs
• AEUGZIZA
  Start with 1 life
• IEUGZIZA
  Start with 6 lives
• AEUGZIZE
  Start with 9 lives
• SZVSGXVK
  Infinite lives
• AANKLTZA
  Start with 1 life after using a continue
• IANKLTZA
  Start with 6 lives after using a continue
• AANKLTZE
  Start with 9 lives after using a continue
• PEOKIIIE
  Start with 9 continues
• AAKKYTPA
  Infinite continues
• ZAEGKILE
  Start with 9 Bombs
• GPEGKILA
  Start with 20 Bombs
• ZANIAZLE
  Start with 9 Bombs after dying
• GPNIAZLA
  Start with 20 Bombs after dying
• AAOYVOLP
  Autofire capability
• GZNITZSA
  Keep weapon after death
• GZNSAZSA
  Keep Super Chargers after death