I usually regard gameplay as the most important element in a game, BUT it's very important to realise that a game can be excellent having a great story and simpler game mechanics: The Walking Dead from Telltale games is a prime example. And I think the OP actually confuses GRAPHICS with ART STYLE; they're VERY different from one another. Graphics is there to SERVE the art style. Again, this is something The Walking Dead does very well.
A game is at it's best when Gameplay, Story and Art Style helps, supports and serves each others.
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Furthermore, I think VGChartz should add a "Like"-button.







