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[=AlphaDream=] Corporation, Ltd. was a Japanese video game developer founded in 2000 by Tetsuo Mizuno and Chihiro Fujioka, who previously worked at [[Creator/SquareEnix Square]]. Spun off from the staffing agency of a construction company, the studio was best known for its partnership with Creator/{{Nintendo}}, which included the creation of the ''VideoGame/MarioAndLuigi'' series of {{Eastern RPG}}s.

In October 2019, [=AlphaDream=] declared bankruptcy, as the diminishing sales of their Platform/Nintendo3DS titles and high costs associated with gearing up for multiplatform HD game development caused them to accrue massive debt.

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!!Games developed by [=AlphaDream=]
* ''Koto Battle: Tengai no Moribito'' (2001; Platform/GameBoyColor)
[[index]]
* ''VideoGame/TomatoAdventure'' (2002; Platform/GameBoyAdvance)
* ''Anime/{{Hamtaro}}: Rainbow Rescue'' (2003; GBA)
* ''VideoGame/MarioAndLuigiSuperstarSaga'' (2003; GBA)
** ''Mario & Luigi: Superstar Saga + [[VideoGame/MinionQuestTheSearchForBowser Bowser's Minions]]'' (2017; Nintendo 3DS remake)
* ''Hamtaro: Ham-Ham Games'' (2004; GBA)
* ''VideoGame/MarioAndLuigiPartnersInTime'' (2005; Platform/NintendoDS)
* ''Tottoko Hamtaro Nazo Nazo Q Kumonoue no ? Jou'' (2005; NDS)
* ''Hi Hamtaro! Ham-Ham Training'' (2007; NDS)
* ''VideoGame/MarioAndLuigiBowsersInsideStory'' (2009; NDS)
** ''Mario & Luigi: Bowser's Inside Story + [[VideoGame/BowserJrsJourney Bowser Jr.'s Journey]]'' (2019; 3DS remake)
* ''[=PostPet=] DS'' (2009; NDS)
* ''VideoGame/MarioAndLuigiDreamTeam'' (2013; 3DS)
* ''VideoGame/MarioAndLuigiPaperJam'' (2015; 3DS)
* ''Kedama no Gonjiro: Fit & Run'' (2019; Mobile)
* ''[[VideoGame/MarioAndSonicAtTheOlympicGames Mario & Sonic at the Olympic Games Tokyo 2020]]'' [[note]]as a support studio[[/note]] (2019; Platform/NintendoSwitch)
[[/index]]
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