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AlphaDream's logo
Founded January 12, 2000
Defunct October 1, 2019[1]
First Mario game Mario & Luigi: Superstar Saga (2003)
Latest Mario game Mario & Sonic at the Olympic Games Tokyo 2020 (2019)

AlphaDream Corporation, Ltd., or AlphaDream (formerly known as AlphaStar), was a Japanese video game development studio that was responsible for developing games for the Game Boy Color, Game Boy Advance, Nintendo DS, Nintendo 3DS, and Nintendo Switch. AlphaDream had developed all five games in the Mario & Luigi series, along with Mario & Luigi: Superstar Saga + Bowser's Minions, a remake of the first game in the series, and Mario & Luigi: Bowser's Inside Story + Bowser Jr.'s Journey, remake of the third game in the series. The company's staff included prominent developers from Square Co., such as Chihiro Fujioka, who worked in Super Mario RPG: Legend of the Seven Stars.

On October 1, 2019, the company ceased operations immediately after filing for bankruptcy, citing sluggish revenues and the high development costs exceeding overall debt.[2]


The company was founded on January 12, 2000, as a second-party developer for Nintendo. Their first game, Koto Battle: Tengai no Moribito (Japanese: コトバトル-天外の守人), was only released in Japan for the Game Boy Color on March 9, 2001. Their first Mario game, Mario & Luigi: Superstar Saga, has drawn heavy inspiration from Tomato Adventure, their second and last RPG game, which includes borrowing the art style, the strong resemblance of some characters (such as Hermie III being based on the "Yadotsurī" enemy), and similar sound effects. In fact, some files from Tomato Adventure's soundtrack are found unused in Mario & Luigi: Superstar Saga's files.


Title Year released Console
Mario & Luigi: Superstar Saga 2003 Game Boy Advance
Mario & Luigi: Partners in Time 2005 Nintendo DS
Mario & Luigi: Bowser's Inside Story 2009 Nintendo DS
Mario & Luigi: Dream Team 2013 Nintendo 3DS
Mario & Luigi: Paper Jam 2015 Nintendo 3DS
Mario & Luigi: Superstar Saga + Bowser's Minions 2017 Nintendo 3DS
Mario & Luigi: Bowser's Inside Story + Bowser Jr.'s Journey 2018 Nintendo 3DS
Mario & Sonic at the Olympic Games Tokyo 2020 2019 Nintendo Switch