Minecraft!!
Right, so who's heard about it?
Who's played it? are you doing multiplayer?
We need should get a server.

This f*cking game is crack awesome, although hard to learn through at first. It's still in beta, but you can buy it. It's indie too, started by a swedish guy in his basement...
Get it, or at least check it out!

ive palyed it to death, great game if you got some buddies and A LOT of free time