Secret Agent Barbie: Royal Jewels Mission is a 2D action platformer released for the GBA.

Barbie travels to England, China, Italy, and Mexico collecting secret files while dodging guards to recover the Queen's Jewels and catch the thief.

[2] IGN called the game "the best Metal Gear knock-off that the GBA has at the moment," and praised its surprising complexity.

Barbie and her friends are secret agents and are called to New York by Teresa to help with her fashion show.

Barbie travels to Paris, New York, Egypt, Tokyo, and Rio in order to solve the mystery and find the plans.