Game engine giant Unity Technologies has announced that its suite of mobile game development tools will be made available completely free of charge to indie devs.

Other new features of Unity 1.1 include virtual displacement mapping, several new render-to-texture effects, expanded documentation and a 30 page scripting tutorial, the ability to extend Unity ...

Unity Technologies has raised more than $1.3 billion in an initial public offering (IPO) at a $13.6 billion valuation. That's a rare event in games.