Video game review: 'Portal 2' well worth entering - masslive.com
Portal 2 PC Review
Portal 2 Review - IGN
I beat portal 1 and portal 2 and I would share my experience on portal but 300 character limit is just not enough to get my point across. But if you have
Portal 2 Review – Techgage
Portal 2 – exclusive early preview | Games | The Guardian