Reviews on this are mostly above a 9 with a few perfects. Written by the guy who did Red Dead Redemption:
http://www.polygon.com/2014/9/26/6254177/middle-earth-shadow-of-mordor-review-lord-of-the-rings-ps4-xbox-one
http://www.gamespot.com/reviews/middle-earth-shadow-of-mordor-review/1900-6415884/
http://www.joystiq.com/2014/09/26/middle-earth-shadow-of-mordor-review-my-precioussss/
http://www.theverge.com/2014/9/26/6843735/middle-earth-shadow-of-mordor-review
Gametrailers video review
Vids:
https://www.youtube.com/watch?v=pFgvvgGEpkQ
https://www.youtube.com/watch?v=g6G9A-iA7c8
https://www.youtube.com/watch?v=JxH3O89b46k
https://www.youtube.com/watch?v=FzjQmbHWUCY
https://www.youtube.com/watch?v=tYzP7W5kfbM
More background info:
http://www.polygon.com/2014/7/11/5890573/how-middle-earth-shadow-of-mordors-story-fits-in-j-r-r-tolkiens-world
http://www.polygon.com/2014/9/26/6254177/middle-earth-shadow-of-mordor-review-lord-of-the-rings-ps4-xbox-one
http://www.gamespot.com/reviews/middle-earth-shadow-of-mordor-review/1900-6415884/
http://www.joystiq.com/2014/09/26/middle-earth-shadow-of-mordor-review-my-precioussss/
http://www.theverge.com/2014/9/26/6843735/middle-earth-shadow-of-mordor-review
Gametrailers video review
Vids:
https://www.youtube.com/watch?v=pFgvvgGEpkQ
https://www.youtube.com/watch?v=g6G9A-iA7c8
https://www.youtube.com/watch?v=JxH3O89b46k
https://www.youtube.com/watch?v=FzjQmbHWUCY
https://www.youtube.com/watch?v=tYzP7W5kfbM
More background info:
http://www.polygon.com/2014/7/11/5890573/how-middle-earth-shadow-of-mordors-story-fits-in-j-r-r-tolkiens-world