Coffee Stain studios,the developers of Sanctum 2, they present what they first called a joke by just playing with its programming stuff and uploaded it to the internet, a Goat Simulator. Coffee Stain describe the "game" as "like an old school skating game, except instead of being a skater, you're a goat, and instead of doing tricks, you wreck stuff."
PC System Analysis For Goat Simulator: GoatZ Requirements
You need a Core 2 Quad Q6400 2.13GHz or Phenom 9500 Quad-Core processor coupled with a GeForce 8800 GTS 512MB to run Goat Simulator: GoatZ system requirements at recommended. You can expect to get around 60FPS at 1080p screen res on high graphics settings with this hardware. Also your PC needs 2 GB RAM to meet the rec specs and run at 60 frames. System memory for min is 2 GB. Another thing to consider is the DirectX capability of your GPU. Goat Simulator: GoatZ needs a GPU capable of running DirectX 9.