Star Fox was made mainly by Argonaut Software, including the development of the Super FX chip. Only the scenario and characters were from Nintendo.
Donkey Kong Country was all Rare, except for use of the Donkey Kong character. If you look carefully at the DK sprite, you can even see design elements from Battletoads in there.
Donkey Kong Country was all Rare, except for use of the Donkey Kong character. If you look carefully at the DK sprite, you can even see design elements from Battletoads in there.