You could say the NES because,you know,it was the one that started all but I will go with Super Nintendo. Counting Nintendo IPs, spin-offs and third parties you got:
-Mario Kart
-DK Country
-Star Fox
-F Zero
-Megaman X
-Pilotwings
-Secret of Mana
-Saga
-Chrono Trigger
-Tales
-Yoshi Island
-Earthbound
And many more.
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