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Publisher: Valve Corporation

Developer: Valve Corporation

Release Date: April 18, 2011

Genre: Puzzle, Platform game

• In Portal 2 the player returns as Chell, having been in stasis for several hundred years while GLaDOS and the rest of the Aperture Science facility has fallen into disrepair.
• Portal 2 continues to challenge the player through numerous platforming and physics-based puzzles using the portal gun.
• The game will include a two-player co-operative mode in addition to the single player mode.

System Requirements for Portal 2 and Portal 2: Peer Review

Windows System Requirements

* OS: Windows XP, Vista or Windows 7
* CPU: Intel P IV @ 3 GHz or Dual core 2 GHz  or AMD64X2 (or higher)
* RAM: 1GB XP or 2GB Vista/7
* HDD: 7.5 GB free disk space
* Graphics: 128 MB Graphics Memory with pixel shader 2.0
* Sound Card: DirectX 9 Compatible
* DirectX: Version 9.0c

Supported Graphics Cards: ATI Radeon X800 or higher / NVIDIA GeForce 7600 or higher / Intel HD Graphics 2000 or higher

MAC OS System Requirements


* OS: MAC OS X 10.6.6 or higher
* CPU: Intel Core Duo 2 GHz
* RAM: 2 GB
* HDD: 7.5 GB free disk space
* Graphics: 256 MB Graphics Memory
* Sound Card: DirectX 9 Compatible
* DirectX: Version 9.0c

Supported Graphics Cards:
ATI Radeon 2400 or higher / NVIDIA 8600M or higher