If you already own Universe Sandbox ², just run Steam to update to the latest version.
Or you can buy Universe Sandbox ² here:
http://universesandbox.com/buy/What's new?There’s a brand new look to the Create, Add, and Chart panels, which now use thumbnail tiles instead of long text lists.
We’re introduced a few new Create tools, including rogue-planet encounters, randomized solar systems, material grids, and over 200 new choreographies.
This update also has reworked collision fragments, improved supernovas, and overhauled planetoid rendering.
Complete List of UpdatesLet us know what you think! And please report any problems either with the in game feedback tool or by starting a new thread...