The following are known Game Genie Codes for Gremlins 2: The New Batch on Nintendo Entertainment System (NES).

• Start With 5 Lives
  GAEGEAAA
• Start With 10 Lives
  PAEGEAAE
• Start With 3 Balloons
  LAEGSAPA
• Start With 6 Balloons
  TAEGSAPA
• Infinite Lives
  SZNETEVK
• Infinite Balloons
  SZXEUXVK
• Don’t Take Damage
  SXKEZPVG
• Start With Only 1 Heart
  ZAEKXATA
  ZEEELATA
• Start With 4 Hearts
  AAEKXATE
  AEEELATE