Germination

Minimum

Requires a 64-bit processor and operating system OS *: Windows 7, 8, or 10 64-bit Processor: 2GHz Memory: 2 GB RAM Graphics: Graphics card capable of openGL 2.0 or better DirectX: Version 9.0 Storage: 256 MB available space Sound Card: A sound card is required to hear sounds

Recommended

Requires a 64-bit processor and operating system DirectX: Version 9.0

Minimum

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 (or higher) Additional Notes: Requires Portal 2 to be owned and installed

Minimum

OS: Ubuntu 12.04 Processor: Dual core from Intel or AMD at 2.8 GHz Memory: 2 GB RAM Graphics: NVIDIA GeForce 8600/9600GT (or higher), ATI/AMD Radeon HD2600/3600, OpenGL 2.1 Sound Card: OpenAL Compatible Sound Card Additional Notes: Requires Portal 2 to be owned and installed