Nintendo Research & Development 1 was a division of the Japanese company Nintendo. It was founded in 1970. 

It was closed after Nintendo's internal development groups were restructured by the then-president of Nintendo, Satoru Iwata, in 2003. 

Systems designed by Nintendo R&D1
1991
Fourth Generation
8-bit ROM Cartridge-Based Handheld Console

1983
Second Generation
Dedicated Handheld LCD Console
Second Generation
Dedicated Handheld LCD Console
Second Generation
Dedicated Handheld LCD Console

1981
Second Generation
Dedicated Handheld LCD Console
Second Generation
Dedicated Handheld LCD Console
Second Generation
Dedicated Handheld LCD Console
Second Generation
Dedicated Handheld LCD Console
Second Generation
Dedicated Handheld LCD Console
Second Generation
Dedicated Handheld LCD Console

1980
Second Generation
Dedicated Handheld LCD Console
Second Generation
Dedicated Handheld LCD Console
Second Generation
Dedicated Handheld LCD Console
Second Generation
Dedicated Handheld LCD Console
Second Generation
Dedicated Handheld LCD Console

Games developed by Nintendo R&D1:
2002
Air Hockey Video Game. Scan a card into an e-Reader connected to a Game Boy Advance to play air hockey.

1992
Platform Game. Mario recovers his stolen castle from Wario.

1990
Puzzle Game. In the handheld variation, Dr. Mario eliminates three kinds of viruses with pills with two differently shaded halves.
Puzzle Game. Dr. Mario uses two-colored pills to eradicate three different kinds of viruses.

1989
Platform Game. Mario travels to Sarasaland and rescues Princess Daisy from the alien Tatanga.

1984
Light Gun Shooting Game. Co-developed with Intelligent Systems. A hunter and his hunting dog hunt ducks and clay pigeons.

1983
Static-Screen Platform Arcade Game: Donkey Kong releases pests into a garden managed by Stanley.
Action LCD Game. In the twenty-fourth Game & Watch game, Mario and Luigi load packages onto trucks.
Action LCD Game. In the twenty-fifth Game & Watch game, Mario works in a factory, keeping cement from overflowing.
Action LCD Game. In the twenty-eighth Game & Watch game, Popeye fights Bluto to save Olive Oyl.
Static-Screen Platform Arcade Game: Mario and his brother Luigi have to get rid of pests in a sewer.

1982
Static-Screen Platform Arcade Game: Donkey Kong Jr. has to rescue his father who has been caged by Mario.

1981
Static-Screen Platform Arcade Game: Mario has to rescue his girlfriend Pauline from her kidnapper, Donkey Kong.
Action LCD Game. In the sixth Game & Watch game, Mr. Game & Watch uses manhole covers to save people walking above.
Action LCD Game. In the seventh Game & Watch game, Mr. Game & Watch uses a helmet to block debris falling from above.
Action LCD Game. In the eleventh Game & Watch game, Popeye catches objects thrown by Olive Oyl while avoiding attacks by Bluto.
Cooking LCD Game. In the twelfth Game & Watch game, Mr. Game & Watch cooks and flips meat in a frying pan.
Action LCD Game. In the thirteenth Game & Watch game, Mickey Mouse collects eggs from chickens.
Action LCD Game. The fourteenth Game & Watch game is a variation of the thirteenth. A wolf steals eggs from chickens.

1980
Juggling LCD Game. In the first Game & Watch game, Mr. Game and Watch juggles.
Flag-Dancing LCD Game. In the second Game & Watch game, Mr. Game and Watch waves numbered flags.
Whack-a-Mole LCD Game. In the third Game & Watch game, Mr. Game & Watch whacks moles with hammers.
Action LCD Game. In the fourth Game & Watch game, Mr. Game & Watch saves people from a burning building.
Action LCD Game. In the fifth Game & Watch game, Mr. Game & Watch uses number boards to judge while hammering his opponent.