AlphaDream

AlphaDream Corporation, Ltd. (株式会社アルファドリーム) is a Japanese video game development company founded in 2000 by Tetsuo Mizuno in: Tokyo, Japan. It was formerly known as Alpha Star. In partnership with Nintendo, it has produced software for the Game Boy Color, Game Boy Advance, and Nintendo DS. The company's staff includes prominent developers from Square Co., such as Chihiro Fujioka.

Game Boy Color

 * Koto Battle: Tengai no Moribito (Japan only)

Game Boy Advance

 * Tomato Adventure (Japan only; assisted by Graphic Research)
 * Mario & Luigi: Superstar Saga
 * Hamtaro: Rainbow Rescue (Japan and Europe only)
 * Hamtaro: Ham-Ham Games

Nintendo DS

 * Mario & Luigi: Partners in Time
 * Hamtaro Ham-Ham Challenge
 * Tottoko Hamutaro Haai! Hamu-Chans no Hamu Hamu Challenge! Atsumare Haai! (Japan only)
 * Mario & Luigi: Bowser's Inside Story
 * PostPet DS (Japan only)