The following are known Game Genie Codes for Total Carnage on Nintendo Game Boy.

• FA2-28D-4C1
  Infinite grenades
• 030-5FB-E6A
  Start with 33 grenades
• 001-ADD-19E
  Infinite lives
• 000-4FB-E66
  Start with 1 life
• 080-4FB-E66
  Start with 9 lives
• 0F0-4FB-E66
  Start with 15 lives
• 021-B1D-F72
  Start with very little energy after you 1st life
• 020-54B-F72
  Start with very little energy on your 1st life
• 991-B1D-F72
  Start with lots of energy after your 1st life
• 990-54B-F72
  Start with lots of energy on your 1st life
• 003-55E-19E
  Do not take damage from some enemies after getting hit