Nintendo Entertainment Analysis and Development, more commonly known as Nintendo EAD, is Nintendo's largest division, with about 400 employees. It is considered the core of the company, and is responsible for the creation of some of its biggest games.
In 2004, Nintendo EAD underwent a major restructuring after Nintendo Research & Development members were assigned to the division, which led to the division's current form.
Software Development Group No. 1
This Group is responsible for Nintendogs and Mario Kart games. Its producer is Hideki Konno, who has directed or produced every Mario Kart game except for Super Circuit and Double Dash.
|Mario Kart Nitro||Game Boy Nitro||February 24, 2006|
|Nintendogs||Game Boy Nitro||November 2, 2006|
|Mario Kart X||Revolution||April 3, 2008|
|Mario Kart 3D||Game Boy 3DS||March 3, 2012|
Software Development Group No. 2
This group is responsible for the Animal Crossing series. Its producer is Katsuya Eguchi, who directed the original Animal Crossing.
|Animal Crossing: Wild World||Game Boy Nitro||February 24, 2006|
|Revolution series||Revolution||2006 to 2009|
|Animal Crossing: City Folk||Revolution||November 23, 2008|
|Animal Crossing: New Leaf||Game Boy 3DS||November 1, 2012|
Software Development Group No. 3
This group is responsible for both console and handheld Zelda games. Its producer is Eiji Aonuma, who has worked on the series since Ocarina of Time.
|The Legend of Zelda: Four Swords Adventures||GameCube||March 18, 2004|
|The Legend of Zelda: Twilight Princess||Revolution||November 19, 2006|
|The Legend of Zelda: Phantom Hourglass||Game Boy Nitro||June 23, 2007|
|The Legend of Zelda: Spirit Tracks||Game Boy Nitro||December 7, 2009|
|The Legend of Zelda: Skyward Sword||Revolution||April 15, 2011|
Software Development Group No. 4
This group is responsible for 2D Mario games and the Pikmin series. Its producer, Hiroyuki Kimura, was the designer of Metroid and Super Metroid.
|New Super Mario Bros.||Game Boy Nitro||June 5, 2006|
|New Super Mario Bros. Revolution||Revolution||November 11, 2009|
|Pikmin Anniversary||Revolution||October 28, 2011|
|New Super Mario Bros. 2||Game Boy 3DS||August 4, 2012|
|New Super Mario World||Stream||November 18, 2012|
Software Development Group No. 5
This group is responsible for Nintendo's fitness games. its producer, Tadashi Sugiyama, was the director of Zelda 2.
|Revolution Fitness||Revolution||December 8, 2007|
|Revolution Fitness Plus||Revolution||October 1, 2009|
Tokyo Development Group
This group is responsible for 3D Mario games. Its producer, Yoshiaki Koizumi, is legendary for creating the "Z-targetting" system used in Ocarina of Time.
|Super Mario Galaxy||Revolution||November 1, 2007|
|Super Mario Galaxy 2||Revolution||May 30, 2010|