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

• 1 Life
  PENVZILA
• 6 Lives
  TENVZILA
• 9 Lives
  PENVZILE
• Infinite Lives
  GXXZZLVI
• Enemies Easier To Kill
  GXEILUSO
• Mega-Jumping
  EYSAUVEI
• Super Fast Punching
  AEUZITPA
• Start On Level 2 (Wookie Hole)
  ZAXAALAA
• Start On Level 3 (Turbo Tunnel)
  LAXAALAA
• Start On Level 4 (Arctic Cavern)
  GAXAALAA
• Start On Level 5 (Surf City)
  IAXAALAA
• Start On Level 6 (Karnath’s Lair)
  TAXAALAA
• Start On Level 7 (Volkmire’s Inferno)
  YAXAALAA
• Start On Level 8 (Intruder Excluder)
  AAXAALAE
• Start On Level 9 (Terra Tubes)
  PAXAALAE
• Start On Level 10 (Rat Race)
  ZAXAALAE
• Start On Level 11 (Clinger Winger)
  LAXAALAE
• Start On Level 12 (The Revolution)
  GAXAALAE
• Start On Level 13 (Armageddon)
  IAXAALAE
• Start In Dark Queen’s Tower
  PYXAALAE
• Double Energy From Flies
  AOUKXNAA
• Maximum Energy From Flies
  YXUKXNAE
• Almost Everything Dies In One Hit, Including You, Weird Stuff Happens
  PEASOK
• Like PEASOK, Only Sometimes Things Won’t Die In One Hit, Enemies Can Be Hit (Special Move) Forever For Many Points
  LEESOK
• Your Toad Freezes When You Try To Run
  OZZXYY