Easy: Mario Kart: Double Dash!!, Mario & Luigi: Superstar Saga, Super Mario Sunshine, Legend of Zelda: Majora's Mask.
Hard: Banjo-Tooie, Kirby Air Ride, Zelda II, F-Zero GX.
Not to toot my own horn, but you can clearly see I have found more games easy than hard.
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I am Meowrik, the 5th Samurai Pizza Cat! Beware my Jalapeno Katana and Chilli Claws!