About — Portal 2

: The separate co-op campaign isn't just a side mode; it features unique puzzles that require two people to think with four portals simultaneously to solve. Critical Perspectives

Critics often contrast it with the original to highlight its shift in focus. ABOUT Portal 2

: Players explore the decaying ruins of Aperture Science, which tells a silent story of the facility's ambitious but unhinged history through detailed environments. : The separate co-op campaign isn't just a

: The humor is legendary, driven by phenomenal voice acting from Ellen McLain (GLaDOS), Stephen Merchant (Wheatley), and J.K. Simmons (Cave Johnson). Stephen Merchant (Wheatley)