The following are known Action Replay Codes for Boulder Dash on Nintendo Entertainment System (NES).

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

• Colour Modifier (Main Character)
  0088:XX
• Infinite Lives
  0077:09
• Crystals Remaining Modifier (One’s Digit)
  00AE:XX
• Crystals Remaining Modifier (Ten’s Digit)
  00AF:XX
• Crystals Remaining Modifier (Hundred’s Digit)
  00B0:XX
• Infinite Time (One’s Digit)
  00B1:09
• Infinite Time (Ten’s Digit)
  00B2:09
• Infinite Time (Hundred’s Digit)
  00B3:09