AlphaDream

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, 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.

History
The company was founded on January 12, 2000, as a second-party developer for Nintendo. Their first game,  (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 , 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 Adventures soundtrack are found unused in Mario & Luigi: Superstar Sagas files.