Portal 2
Requirements to run this game Windows PC
| Minimum | Recommended | |
| 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 |
Requirements to run this game Mac
| Minimum | Recommended | |
| OS: | MAC OS X 10.6.7 or higher | |
| Processor: | Intel Core Duo Processor (2GHz or better) | |
| Memory: | 2 GB RAM | |
| Graphics: | ATI Radeon 2400 or higher / NVIDIA 8600M or higher / Intel HD Graphics 3000 | |
| Storage: | 8 GB available space |
Requirements to run this game Linux
| Minimum | Recommended | |
| OS: | Ubuntu 12.04 | |
| Processor: | Dual core from Intel or AMD at 2.8 GHz | |
| Memory: | 2 GB RAM | |
| Graphics: | nVidia GeForce 8600/9600GT, ATI/AMD Radeon HD2600/3600 (Graphic Drivers: nVidia 310, AMD 12.11), OpenGL 2.1 | |
| Storage: | 8 GB available space |