Portal 2 for PS3 is a first-person puzzle-platform game developed by Valve. Players use the Portal Gun to solve complex puzzles by creating portals that connect different areas. The story follows Chell, who wakes up in the Aperture Science facility and must escape with the help of a quirky AI named Wheatley. The game features a witty, darkly humorous narrative and clever level design. It also includes a co-op mode with two robots, Atlas and P-body, offering a separate campaign. Released in 2011, Portal 2 is praised for its creativity, humor, and mind-bending gameplay, making it a must-play classic.