Linux gamers are really just having the time of their lives right now. They've been embraced by indie game devs, by Valve, Epic and the increasingly popular Unity 3D. And, some of these properties aren't quite ready for the big show yet, you can get a taste of what to expect from Unity 4 thanks to a pair of playable demos that have hit the web. AngryBots and Unitroids are both available as standalone executables for your open-source desktop. They're not complete games, but they at least serve as practical demos of the progress being made in porting the gaming engine. They've both got their quirks at the moment, but it's hard not to get excited about the prospect of plummeting through AaaaaAAaaaAAAaaAAAAaAAAAA!!! for the Awesome on your Quantal PC. Hit up the source for download links.