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IndustryVideo games
FoundedDecember 2006; 15 years ago (2006-12)[1]
HeadquartersShibuya, Tokyo, Japan[1]
Key people
Koichi Ishii (CEO/president)[1]
Number of employees
80[1] (2020)

Grezzo Co, Ltd. (Japanese: 株式会社グレッゾ, Hepburn: Kabushiki Gaisha Gurezzo, stylized as GREZZO) is a Japanese video game developer. It was founded in December 2006.[1] Koichi Ishii, known for his work on the Mana series of games by Square Enix, was hired as CEO and president of the company in April 2007. The company's name comes from the Italian phrase "diamante grezzo", meaning "a diamond in the rough".[2]


Release Game Publisher System Notes
2010 Line Attack Heroes Nintendo Wii N/A
2011 The Legend of Zelda: Ocarina of Time 3D[3] Nintendo 3DS
The Legend of Zelda: Four Swords Anniversary Edition DSiWare Ported the game to DSiWare.
2013 StreetPass Garden Nintendo 3DS N/A
2015 The Legend of Legacy FuRyu Assistance for game design.
The Legend of Zelda: Majora's Mask 3D[4] Nintendo N/A
The Legend of Zelda: Tri Force Heroes[5] Co-developed with Nintendo EPD
2017 The Alliance Alive FuRyu Assistance for game design.
Ever Oasis[6] Nintendo N/A
2018 Luigi's Mansion
2019 Arc of Alchemist Compile Heart Nintendo Switch, PlayStation 4 System adviser; Kyо̄ji Koizumi.
The Legend of Zelda: Link's Awakening[7] Nintendo Nintendo Switch N/A
The Alliance Alive HD Remastered FuRyu Nintendo Switch, PlayStation 4 Assistance for game design.
2021 Miitopia[8] Nintendo Nintendo Switch Planning and development for work for remake.


  1. ^ a b c d e "GREZZO Co.,Ltd. - Corporate Profile". Retrieved April 14, 2020.
  2. ^ "GREZZO Co.,Ltd. - Message from CEO". Retrieved 30 June 2017.
  3. ^ Marchiafava, Jeff (April 13, 2011). "Ocarina Of Time 3DS Developer Revealed - News -". Game Informer. Archived from the original on May 20, 2021. Retrieved April 13, 2011.
  4. ^ "『ゼルダの伝説 ムジュラの仮面 3D』最新情報公開! 本作と、Wii U『ゼルダの伝説』シリーズ新作に迫る青沼英二氏インタビューも見逃すな!". Famitsu (in Japanese). November 13, 2014. Retrieved November 15, 2014. 開発:任天堂、グレッゾ
  5. ^ "The Legend of Zelda: Tri Force Heroes". Nintendo. 2015. Archived from the original on September 30, 2015. Retrieved September 30, 2015.
  6. ^ Frank, Allegra (June 27, 2017). "Ever Oasis Review". Polygon. Archived from the original on May 20, 2021. Retrieved May 20, 2021.
  7. ^ "The Legend of Zelda: Link's Awakening". IGN. Archived from the original on May 20, 2021. Retrieved May 20, 2021.
  8. ^ "Grezzo Co., LTD. - Games". Grezzo. Archived from the original on 21 May 2021. Retrieved 21 May 2021.

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