Complex: "For the purposes of this list, I tried to keep it simple: a "Mario game" has to feature Mario, and if it features an ensemble cast, that cast must be of the Mario universe. That means no Luigi's Mansion, Super Smash Bros. (that's Nintendo universe, not Mario universe; there's a difference) and no Super Princess Peach. As great as those games are, the line had to be drawn somewhere."
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No Luigi's Mansion? I'm sure that's in the Mario Universe since Mario is in the damn game but it's ok to have Famicom Grand Prix?
Let's have a greatest 50 Mario games of all time and put pretty much every Mario game on the list. This is almost every Mario game period. Why not make it a top 20?
Anyways, dumb article.
Just because you do not agree with this article, does not mean you should act like this.
And this a terrible list.
1 reason mentioned above is you have Super Mario All-Stars listed and you also have the games in All-Stars listed individually.
But this is what happens when a "Best of" is influenced by opinion and popularity/memorability (as to be expected)