The following are known Game Genie Codes for Heavy Nova on SEGA Genesis.

• ATHA-AA3N
  Infinite energy for Player 1
• ATHA-AA4E
  Infinite power for Player 1
• ATJT-AA60
  Infinite energy for Player 2 or Computer Player in a 1-Player Game
• ATJT-AA7R
  Infinite power for Player 2 or Computer Player in a 1-Player Game
• AART-ANEA+ AART-ANEG
  Limit Player 2 or Computer Player in a 1-Player Game to power level 6
• AART-AJEA+ AART-AJEG
  Limit Player 2 or Computer Player in a 1-Player Game power level 4
• AART-AEEA+ AART-AEEG
  Limit Player 2 or Computer Player in a 1-Player Game to power level 2
• VA1T-DJTJ+ 2E1T-DCJL
  Start Computer Player at low energy level
• B3AT-AA9R
  Infinite time
• AFAT-AAHJ+ AFAT-AAHW
  Run time down at 1/2x normal speed
• SFAT-BJZW
  Run time down at 2x normal speed
• SFAT-BNZW
  Run time down at 3x normal speed
• SFAT-BTZW
  Run time down at 4x normal speed
• SFAT-BAZW
  Run time down at 8x normal speed
• ATET-AA4W
  Infinite continues
• BE0T-CACJ
  9 continues
• AE0T-CACJ
  1 continue
• AA0T-CACJ
  No continues