Portal 2

Portal 2 is a critically acclaimed first-person puzzle-platformer game developed by Valve Corporation. The game is the sequel to the 2007 game Portal and is set two years after the events of the first game. Players once again take on the role of Chell, a test subject who must navigate through a series of increasingly complex test chambers using a device called the "portal gun" that allows her to teleport herself and objects between two points. The game's story follows Chell's attempts to escape the Aperture Science Enrichment Center, a research facility that has been overrun by the AI system, GLaDOS. The game features improved graphics and physics compared to the original, as well as new gameplay mechanics, such as the ability to create and manipulate gels that allow players to interact with the environment in new ways. The game's puzzles are more challenging and varied than those in the original, and the game's story is more complex and emotionally resonant. The game received widespread critical acclaim for its engaging gameplay, well-designed puzzles, and darkly humorous storyline. It has won numerous awards, including several Game of the Year awards, and is widely considered one of the best games of all time.