Portal 2 draws from the award-winning formula of innovative gameplay, story, and music that earned the original Portal over 70 industry accolades and created a cult following.
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. Players will explore never-before-seen areas of the Aperture Science Labs and be reunited with GLaDOS, the occasionally murderous computer companion who guided them through the original game.
The game’s two-player cooperative mode features its own entirely separate campaign with a unique story, test chambers, and two new player characters. This new mode forces players to reconsider everything they thought they knew about portals. Success will require them to not just act cooperatively, but to think cooperatively.
Minimum system requirements
OS: Windows 7 / Vista / XP
Processor: 3.0 GHz P4, Dual Core 2.0 (or higher) or AMD64X2 (or higher)
Memory: 1GB XP / 2GB Vista
Hard Disk Space: At least 7.6 GB of Space
Video: Video card must be 128 MB or more and should be a DirectX 9-compatible with support for Pixel Shader 2.0b (ATI Radeon X800 or higher / NVIDIA GeForce 7600 or higher / Intel HD Graphics 2000 or higher)
Audio: DirectX 9.0c compatible
Recommended system requirements
OS: Windows 7 / Vista / XP
Processor: Intel Core Quad 2.0GHz or AMD64X2 (or higher)
Memory: 2GB XP / 4GB Vista
Hard Disk Space: At least 7.6 GB of Space
Video: Video card must be 256 MB or more and should be a DirectX 9-compatible with support for Pixel Shader 2.0b (ATI Radeon HD 3850 or higher / NVIDIA GeForce GT 9500 or higher / Intel HD Graphics 2000 or higher)
Audio: DirectX 9.0c compatible
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