What is Sirius all about? Its a Game. Seriously. Think about Freelancer. Now add the third dimension into the content. Speed it up. And add cool fluff like Scanning for Belts, deep space exploration and possibly even more. Started as an ambitious project in 2005, with a lot of drawbacks we finally got Multiplayer working in mid June 2014. Shoot, Mine, Explore and Manage the galaxy - coming soon.
Long video showing all new Stuff from A as in Asteroids spraying minerals to Z as in Zoological Studies are my excuse for having nothing on Z.