* OS - Windows XP/Vista
* Processor - 2.0 GHz P4 processor or equivalent
* Memory - XP: 512 MB RAM / Vista: 768 MB RAM
* Hard Drive - At least 300 MB of hard drive space for installation, plus additional space for created creatures. (190 MB for the Trial Edition)
* Video Card - A 128 MB Video Card, with support for Pixel Shader 2.0*

For computers using built-in graphics chipsets, the game requires at least:

* * Intel Integrated Chipset GMA 950
* * Dual 2.0GHz CPUs, or 1.7GHz Core 2 Duo, or equivalent

Supported Video Cards ATI Radeon(TM) series

* 9500, 9600, 9800
* X300, X600, X700, X800, X850
* X1300, X1600, X1800, X1900, X1950
* 2400, 2600, 2900, 3650, 3850

NVIDIA GeForce series

* FX 5900, FX 5950
* 6200, 6500, 6600, 6800
* 7200, 7300, 7600, 7800, 7900, 7950
* 8400, 8500, 8600, 8800

Intel(R) Extreme Graphics

* GMA 950, GMA X3000, GMA X3100

He doesn't like Green Day either.