1. Super Mario Bros. (NES)
  2. Mario Kart 64 (N64)
  3. The Legend of Zelda: A Link to the Past (SNES)
  4. Sonic the Hedgehog (Genesis)
  5. Donkey Kong Country (SNES)

I wonder what the Top 5 are in America, Europe, Australia, and Japan.

Source: Cubed3