FCE Ultra GX is an NES emulator based on FCEUX. With it you can play NES games on your Wii/GameCube. The GUI is powered by libwiigui.

Features:

* Wiimote, Nunchuk, Classic, and Gamecube controller support
* iNES, FDS, VS, UNIF, and NSF ROM support
* 1-4 Player Support
* NES Zapper support
* Custom controller configurations
* SD, SDHC, USB, DVD, SMB, Zip, and 7z support
* Cheat support (.CHT files)
* IPS/UPS automatic patching support
* NES Compatibility Based on FCEUX 2.1.5

Changes:

* Fixed PAL support

Free and legal NES roms to try with this emulator can be downloaded from here: http://www.pdroms.de/files/nes/

http://wiibrew.org/wiki/FCE_Ultra_GX