Features:
Procedural universe, generated on the fly around the player.
Persistent universe, no save function, all the effects are permanent.
Seamless transition from space to atmosphere to oceans. No loading screens. The universe is alive even when docked.
Modable content. Everything can be changed via a simple text editor or in-game editors. Mod packs to be added soon.
Multiplayer mode, platform independent. Plans to add a multiverse mode, players can visit other player's universes.