Polygon count. Textures. Draw distance, and more. You already know what I'm talking about, don't feign ignorance.
Using the same engine means nothing at all. A bad company making the maps also means nothing at all. MW3 is the best selling game in history to date, I think that means enough. At...
Skyward Sword has bad graphics for its time. I think that's reason enough for reviewers/haters to give it a bad score. It is no secret that Nintendo purposefully has stuck with SD graphics rather than HD so as to make a less expensive console, but that was in 2005 where HD was almost completely...