The following are known Game Genie Codes for Insector X on SEGA Genesis.

• AVZA-AA3G
  Keep shot power after dying
• AVZA-AA3N
  Keep special weapons after dying
• BVSA-AA2W
  Infinite stock
• AVWA-AA2W
  Infinite credits
• AAFA-AAFY
  1 credits
• AEFA-AAFY
  2 credit
• AJFA-AAFY
  3 credits
• AYFA-AAFY
  6 credits
• BJFA-AAFY
  11 credits
• CTFA-AAFY
  21 credits
• BJDA-AAD4 + BJBT-AABA
  Start with 10 stock
• B6DA-AAD4 + B6BT-AABA
  Start with 15 stock
• CTDA-AAD4 + CTBT-AABA
  Start with 20 stock
• DEDA-AAD4 + DEBT-AABA
  Start with 25 stock
• GJDA-AAD4 + GJBT-AABA
  Start with 50 stock
• NTDA-AAD4 + NTBT-AABA
  Start with 100 stock
• 9JDA-AAD4 + 9JBT-AABA
  Start with 250 stock
• 8TDA-ACD4 + 8TBT-AABA
  Start with 500 stock
• 7ADA-AGD4 + 7ABT-AABA
  Start with 1,000 stock
• BKZA-AABY
  Start with a speed of 10
• B7ZA-AABY
  Start with a speed of 15
• CVZA-AABY
  Start with a speed of 20
• D3ZA-AABY
  Start with a speed of 30
• EPZA-AABY
  Start with a speed of 35
• GKZA-AABY
  Start with a speed of 50
• SFYT-BNT0
  Each P worth 3 (half) shot power
• SFYT-B2T0
  Each P worth 6 (full) shot power
• SFYT-BJT0
  Each P worth 2 and each PP worth 3 shot power
• SFYA-B218
  Each PP worth 6 (full) shot power