Hmm lets see.. This is gonna be tough but I'll give it a shot:
1. Super Mario Bros 3
2. Donkey Kong Country
3. Super Mario World
4. Goldeneye
5. Gears of War 2
6. Secret of Mana
7. Pokemon Red/Blue
8. Starcraft
9. Mario Kart 64 (or Mario Kart Wii, its a virtual tie)
10. The Elder Scrolls: Oblivion