Sonic Advance 3 is a platform game in the Sonic the Hedgehog series, developed by Dimps and published by THQ for the Game Boy Advance and the final installment of the Sonic Advance series. It was first released in North America on June 7, 2004, later in Japan on June 17, 2004 and then in Europe on June 18, 2004. The game uses elements from Sonic Advance and Sonic Advance 2, as well as allowing the player to choose an additional partner, who augments the player's actions. The Chao Garden mode from the previous Advance games has been removed, and the Chao Garden in this game serves to help the player view the Chaos Emeralds and chao they have collected.
Source: Wikipedia, "Sonic Advance 3", available under the CC-BY-SA License.