Arena does include all of Tamriel. Now, I haven't played Arena much so I can't really speak of how detailed/differentiated all the places are. Certainly the style/appearance is different than current canon in many respects--dwemer ruin in Arena v. dwemer ruin in Morrowind, stylistically quite different. This is ignoring advances in graphics, etc. Basically, it's what you'd expect of a Medieval fantasy-type game that had yet to really achieve TES specialness.
Edit: In particular, almost none of the rich lore that the series has was developed in Arena.
This post has been edited by canis216: Jan 19 2008, 09:13 AM
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