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

• Infinite Z’s On Dream Meter
  SXKSKNVK
• Start With Nine Z’s On Dream Meter
  PEEZEZIE
  Note: This only works on the first credit.
• Start With One Z
  PEEZEZIA
  Note: This only works on the first credit.
• Can Re-Enter Barbie’s Dream An Infinite Number Of Times
  SZVAAVVK
• Cannot Re-Enter Barbie’s Dream
  AEEEYAZA