Here are the full system requirements for Distant Worlds, the recently released 4X game by Matrix Games

Minimum System Requirements

Operating System: Windows XP SP2, Windows Vista, Windows 7
Processor: Pentium 4 @ 1.5 GHz
Memory: 1 GB RAM
Hard Drive: 500 MB free hard disk space
Video Card (graphics): minimum 1024 x 768 resolution
Sound Card: 16-bit stereo audio card
DirectX: DirectX 9.0c or later
CD-Rom: not required, except if installing from CD
Peripheral hardware: Mouse

Recommended Requirements

Operating System: Windows XP SP2, Windows Vista, Windows 7
Processor: Dual Core CPU @2.0 GHz
Memory: 2Gb RAM
Hard Drive: 500 MB free hard disk space
Video Card (graphics): minimum 1024 x 768 resolution
Sound Card: 16-bit stereo audio card
DirectX: DirectX 9.0c or later
CD-Rom: not required, except if installing from CD
Peripheral hardware: Mouse with scrollwheelMultiplayer Functions