The following are known Action Replay Codes for A Boy and His Blob on Nintendo Entertainment System (NES).

The codes will work with the region specified but may work for other regions as well.

• Infinite Lives
  00A2:09
• Infinite Coconut Jellybeans
  02C3:99
• Infinite Cola Jellybeans
  02C5:99
• Infinite Licorice Jellybeans
  02BF:99
• Infinite Strawberry Jellybeans
  02C1:99
• Infinite Cinnamon Jellybeans
  02C7:99
• Infinite Apple Jellybeans
  02C9:99
• Infinite Vanilla Jellybeans
  02CD:99
• Infinite Tangerine Jellybeans
  02CF:99
• Infinite Root Beer Jellybeans
  02D1:99
• Infinite Honey Jellybeans
  02D3:99
• Infinite Ketchup Jellybeans
  02D5:99
• Infinite Punch Jellybeans
  02D7:99