Nintendo Entertainment Analysis & Development was a division of the Japanese company Nintendo. It was founded in 1989 when Nintendo Research & Development 4 was reorganized and expanded.

It was split into five groups in 2005 after a corporate restructuring by the then-president of Nintendo, Satoru Iwata.  

In 2015, it was merged with Nintendo Software Planning & Development to form Nintendo Entertainment Planning & Development.

Games by Nintendo Entertainment Analysis & Development:
2003
Action-Adventure Game Compilation. Includes The Legend of Zelda, Zelda II, Ocarina of Time, and Majora's Mask.

1998
By Nintendo EAD (Game Boy), Nintendo R&D2 (colorization): Action-Adventure Game. Link washes up on Koholint Island.
Action-Adventure Game. Link uses an ocarina to travel back and forth in time to save Hyrule.

1996
Platform Game. Only playable through fan preservation projects. Satellaview challenge version of Super Mario USA.
Kart Racing Game. Mario and his friends race in go-karts on courses throughout the Mushroom Kingdom and beyond.
Platform Game. The Koopa King, Bowser, sealed Princess Peach and her servants in the castle. Mario rescues them with stars.

1995
Platform Game. A Yoshi carries a baby Mario to rescue his brother Luigi.

1993
Action-Adventure Game. Link washes up on a beach and needs to wake the Wind Fish.
Platform Game Compilation: It is comprised of enhanced remakes of the first four Super Mario Bros. home console games.
Platform Game Compilation. Worldwide release. Includes Super Mario All-Stars and Super Mario World.

1992
Action-Adventure Game. The Sacred Realm has been sealed into darkness. Link has to rescue seven maidens to break the seal.
Kart Racing Game. Mario and his friends race in go-karts on courses throughout the Mushroom Kingdom and beyond.

1991
Action-Adventure Game. Japanese version of A Link to the Past. Link has to rescue seven maidens to break the dark seal.
City-Building Game. Co-developed with Maxis and Intelligent Systems. Create a town and grow it in the game that popularized the genre.

1990
Platform Game. Mario and Luigi travel to Dinosaur Land to rescue Princess Peach.