I don't like the genre very much, but I can say safely say the new Tomb Raider is the one I like the most by a good margin.
I think it's better than UC in every gameplay aspect I can think of: controls are thighter (expecially covering is more precise), level design is less linear compared to UC and more varied, the AI is better, stealth elements are better implemented, puzzles are better and more numerous, there is also some exploration here and there.
In temrms of presentation they are both great, in terms of story I liked TR a bit more, even thougt "drama" moments are quite annoying and worthless in both cases.
btw. I have played UC, UC2 but not UC3.







