Type Private
Founded January 12, 2000
Headquarters Tokyo, Japan
Key People Tetsuo Mizuno
Industry Video games
Products Mario & Luigi series
Website AlphaDream Co.

AlphaDream Corporation Ltd. (or just AlphaDream) is a Japanese video game development studio who was responsible for the development of all six games in the Mario & Luigi series.


Originally known as AlphaStar, the company was founded on January 12, 2000 as a second-party developer for Nintendo. Their first game, Koto Battle: Tengai no Morbito, was only released in Japan for the Game Boy Color.

Released games


  • In Mario & Luigi: Bowser's Inside Story, one of the bosses, Alpha Kretin, represents the company's logo.
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