This is an early and impressive look at Starforge, an indie game in development by two dudes named Steve and Will who have created a kind of Minecraft-meets-Halo game, meaning: a sandbox survival game world with procedural graphics and dynamic content creation, just not blocky like Minecraft, but full of high res graphics and physics in a beautiful but deadly alien world, a la Halo. Even if you're not into FPS action, be sure to watch until 1:50, when the 3D content creation comes:

And you can check it out for yourself right now -- there's download links for the Alpha client at the video site here, though at the moment, massive gamer buzz seems to be hosing the servers. Check out this Reddit thread where the developers discuss their future plans.