The listing, Harvest: Massive Encounter Steam Key has ended.
This is for a steam key of this game.
http://store.steampowered.com/app/15400/
PC System Requirements
OS:Windows 2000/XP/Vista
Processor: 2 GHz
Memory: 512 MB
Graphics: Direct3d compatible
DirectX Version: 9.0 or later
Hard Drive: 100 MB
Mac System Requirements
OS: OS X version Leopard 10.5.8 or later.
Processor: 1.6 GHz
Memory: 512 MB RAM
Hard Disk Space: 180 MB
Video Card: 3D accelerated graphics card, Open GL compliant