 The Virtual Console service allows Wii owners to play games originally released for the Nintendo Entertainment System , Super Nintendo Entertainment System , Nintendo 64 , Sega 's Mega Drive / Genesis and Sega Mark III / Sega Master System , NEC 's TurboGrafx @-@ 16 / PC Engine , SNK 's Neo Geo console , Commodore 64 and arcade games . Virtual Console games are distributed over broadband Internet via the Wii Shop Channel , and are saved to the Wii internal flash memory or to a removable SD card . Once downloaded , Virtual Console games can be accessed from the Wii Menu ( as individual channels ) or from an SD card via the SD Card Menu . There is also a Wii homebrew community , dedicated to creating and playing content unendorsed by Nintendo . 
