Description
The "Perpetual Testing Initiative" has been expanded to allow you to design co-op puzzles for you and your friends!
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Portal 2
The "Perpetual Testing Initiative" has been expanded to allow you to design co-op puzzles for you and your friends!
Supported features
No additional features are currently listed for this game.
Game info
RELEASE DATE:
19 Apr, 2011
DEVELOPER:
Valve
PUBLISHER:
Valve
System requirements
MINIMUM:
OS *: Windows 7 / Vista / XP
PROCESSOR: 3.0 GHz P4, Dual Core 2.0 (or higher) or AMD64X2 (or higher)
MEMORY: 2 GB RAM
GRAPHICS: Video card must be 128 MB or more and with support for Pixel Shader 2.0b (ATI Radeon X800 or higher / NVIDIA GeForce 7600 or higher / Intel HD Graphics 2000 or higher).
DIRECTX: Version 9.0c
STORAGE: 8 GB available space
SOUND CARD: DirectX 9.0c compatible
* Starting January 1st, 2024, the Steam Client will only support Windows 10 and later versions.