Get instant access to the Universe Sandbox ² Alpha on Steam for Windows, Mac, and Linux and pre-order the finished game.

Available for purchase at
http://universesandbox.com/2

While you buy though our website (via the Humble Bundle people), you'll redeem your copy on Steam and the game will appear in your Steam library.

Universe Sandbox ² is in alpha and very much unfinished, but it already blows away the original version with improved physics, climate simulations, material properties, terraforming, and awesome collisions.

We welcome you to join us on this journey as we continue to add and improve the sequel over the next year.