Portal 2

PlayStation 3, Linux, PC (Microsoft Windows), Mac, Xbox 360, Nintendo Switch

Platform, Puzzle, Adventure - 2011

Sequel to the acclaimed Portal (2007), Portal 2 pits the protagonist of the original game, Chell, and her new robot friend, Wheatley, against more puzzles conceived by GLaDOS, an A.I. with the sole purpose of testing the Portal Gun's mechanics and taking revenge on Chell for the events of Portal. As a result of several interactions and revelations, Chell once again pushes to escape Aperture Science Labs.

Checklist for 100%ing Portal 2, made for completionists. Track your progress toward a full clear, spoiler-free by default, great for first playthroughs.