Mobile21

Mobile21 Co., Ltd.
Native name
モバイル21株式会社
Mobairu21 kabushiki gaisha
Company typeJoint venture
IndustryVideo game
FoundedOctober 7, 1999
DefunctDecember 14, 2002
FateDefunct
HeadquartersAsakusabashi, Tokyo, Japan
Key people
Yoneoka (president)
Owners

Mobile21 Co., Ltd. was a Japanese video game developer that was a 50/50 joint venture between Nintendo and Konami established in October 1999. Mobile21 primarily concentrated on creating Game Boy Advance games, with a particular focus utilizing the mobile phone linking features of the Mobile Adapter GB accessory. The company was led by Masaki Yoneoka and its headquarters were located within Nintendo's offices in the Asakusabashi district of Tokyo.