Portal 2 for the Sony PlayStation 3 is a first-person puzzle-platformer developed by Valve Corporation. It's the sequel to the critically acclaimed Portal and continues its tradition of mind-bending puzzles and dark humor. Players take on the role of Chell, navigating through the dilapidated Aperture Science Laboratories, using the iconic portal gun to create interconnected portals on flat surfaces, solving complex puzzles, and overcoming obstacles. New gameplay elements include light bridges, laser redirection, and gels that alter physics. The game also features a two-player cooperative mode, adding depth to its challenging and engaging gameplay.