Reckon that you could do a better job of building console games than the pros? You now have your chance to prove it. Microsoft has started taking sign-ups for Project Spark's open beta; as long as you're running Windows 8.1, you could be among the first creating homebrew beat'em-ups, platformers and other titles for the Xbox One. You'll likely have to wait until January to use the beta, but it won't hurt to apply today. Check our eyes-on with the game development tool after the break.