Portal 2

Portal 2 is the sequel to the acclaimed Portal (2007). It follows Chell, the original game’s protagonist, and her new robot companion Wheatley as they face even more puzzles designed by GLaDOS—an A.I. devoted to testing the Portal Gun’s mechanics and taking revenge on Chell for the events of Portal....

You’ve lost your memory, you’re alone in a dangerous world, and your goal is to survive by using your mind. The only way out of this hell is… Hi, I’m GLaDOS, and welcome to Portal 2. Here, I’ll put you through a long series of tests—and try to k… help Aperture Science evolve into a new era. Your job is to progress through the levels I present, improving with every challenge. You’ll use a portal ...