Portal-2-pc-game-free-download-full-version

Video card must be 128 MB or more with support for Pixel Shader 2.0b (ATI Radeon X800 / NVIDIA GeForce 7600 or better).

Portal 2 is well-optimized and runs on a wide variety of hardware: Windows 7 / Vista / XP Processor: 3.0 GHz P4, Dual Core 2.0 (or higher) Memory: 2 GB RAM portal-2-pc-game-free-download-full-version

Unofficial versions typically cannot connect to Steam servers, making the excellent co-op mode inaccessible. Video card must be 128 MB or more