CheatCodes.com has all the official Barbie: The Princess and the Pauper GBA cheats to unlock everything. If you know of any that we don't have, please let us know.
All published and official codes as of Sunday May 19, 2013 for Barbie: The Princess and the Pauper are shown below.
Enter princess anneliese, serafina, erika, wolfie as a password.
Enter wolfie, preminger, wolfie, erika as a password.
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