7. Super Mario Galaxy (Wii)
Mario in Space sounds like some cheesy B movie you'd find on late night TV, but it turned out to be something simply spectacular. After the let-down that was Super Mario Sunshine, Nintendo returned to greatness in the 3D Mario arena. The level design was incredible, and the gravitational physics were used extremely well (it's always fun trying to jump all the way around a planetoid and making it). Finding every last star and completing the game properly was never a chore, as some games can be when you aim for 100% completion, but that's not really that unusual in a Nintendo game, which is a testament to their brilliance, and Mario Galaxy was another shining example of that.
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