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

• NYSGLUYN
  More energy for player 1
• NYVKTUYN
  More Energy for Player 2
• YLSGLUYN
  Less Energy for Player 1
• YLVKTUYN
  Less Energy for Player 2
• NNNGKNYN
  More Energy for Players 1 and 2 after using a Continue
• YUNGKNYN
  Less Energy for Players 1 and 2 after using a Continue
• AEXLPGAP
  No harm from falling
• GXXLALOP
  No harm from attacks or bad food
• AXXLPGAP
  More damage done from falling
• GEULLLIA
  Double Energy from food
• AEULLLIA + ZKULTUZE
  Half Energy from food
• AAOUOPPA + AASLSPPA
  No harm from water