One of the biggest ideas at this year's E3 comes from a tiny indie game called Scale. It's a twist on a first-person shooter that lets you change the size of anything in the gameworld. In the video above, you'll see entire levels get shrunk down so you can cros them with a single step and butterflies swell up to… » 6/11/12 1:30pm 6/11/12 1:30pm