Portal 2 :PC Game Pre-Order In Amazon
Portal 2 is a single or double player both featuring game. Portal 2 introduces dynamic characters, fresh puzzle elements with unique story. Coming this February to four major platforms (PC, Xbox 360, PS3, and Mac) Portal 2 draws from the award-winning formula of innovative gameplay, story, and music that earned the original Portal over 70 industry accolades and created a cult following.