To play Grey Phobia you will need a minimum CPU equivalent to an Intel Pentium 4 2.00GHz. However, the developers recommend a CPU greater or equal to an Intel Core 2 Duo T5850 to play the game. The cheapest graphics card you can play it on is an NVIDIA GeForce 8800 GT. Futhermore, an NVIDIA GeForce 9800 GT is recommended in order to run Grey Phobia with the highest settings. You will need at least 2 GB of free disk space to install Grey Phobia. By contrast, the game developers recommend somewhere around 2 MB of free disk space on your system drive. Grey Phobia system requirements state that you will need at least 1 GB of RAM. If possible, make sure your have 4 GB of RAM in order to run Grey Phobia to its full potential.
Grey Phobia will run on PC system with Windows XP and newer and upwards.