A free game, also known as minecraft with guns. I played it and it was so different from what I expected, I thought I would see people building random shit and such. But I joined a server, and when I connected al I saw was TEAMWORK TEAMWORK TEAMWORK. We did covert ops operations, we went defensive after the other team had placed walls around their base, it was too awesome.
In this video you can see how the green team is bringing down a mountain.
Ace of Spades - Bringing Down the Mountain (http://www.youtube.com/watch?v=j25B63FPLD0#ws)
This shows the physics of the game, when you remove to support of a building or such it will collapse.
OH AND ALMOST FORGOT!
It's FREE! Download it Here (http://www.mediafire.com/?7lib0zvbgo4d7t0)
You can join servers here (http://ace-spades.com/?page_id=5)