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

• Start With More Energy
  LTKKVPZL
• Start With Less Energy
  PPKKVPZU
• Mega-Jump
  AEEGUZLE
• Immune To Damage
  GXKIKIST
• More Invincibility Time
  AKSSKIGP
• Less Invincibility Time
  GESSKIGP
• Infinite Pistol Bullets
  GZEYEEVK
• Take Minimal Damage
  OVKIKISV
  PEKISIGY
• Take More Damage And Shield Suit Has No Effect
  TVOSSITG
  AEOSKIYA
• Start With Shield Suit
  PASKSPAA
  ZISKNPLG