Portal 2 is the sequel to the title named 'Game of the Year' in 2007 by over 30 publications around the world, and promises to break new ground by expanding Portal's award-winning recipe of innovative gameplay, immersive story and creative inclusion of music. The game's all-new co-op mode will feature its own unique campaign and characters, and will force players to both act and think together.

• Extensive single player: Featuring next generation gameplay and a wildly-engrossing story.


• Complete two-person co-op: Multiplayer game featuring its own dedicated story, characters, and gameplay.


• Advanced physics: Allows for the creation of a whole new range of interesting challenges, producing a much larger but not harder game.


• Massive sequel: The original Portal was named 2007's Game of the Year by over 30 publications worldwide.


• New Characters: The single-player portion of Portal 2 introduces a cast of dynamic new characters, a host of fresh puzzle elements, and a much larger set of devious test chambers.