NES Remix (series)
The NES Remix series is a Nintendo eShop series which remixes various Nintendo NES games and proposing challenges of very different nature, from defeating a certain number of enemies while invincible to playing Super Mario Bros. in reverse or with broken lights to playing Donkey Kong as Link. The series has also Miiverse integration to let other people know of their results.
The series is overall well received by fans and critics. Nintendo has also suggested the possibility of expanding the series to cover games from other consoles, such as the SNES, due to the demand and support by fans.
NES Remix 2
Ultimate NES Remix