Linux- and Mac-native ports, a forthcoming gamey 'career mode', and the ability to send up multiple spacecraft to dock with each other and do all sorts of concu

Linux- and Mac-native ports, a forthcoming gamey 'career mode', and the ability to send up multiple spacecraft to dock with each other and do all sorts of concurrent space-stuff (Orbiter might have this by now, it's while since I looked at it). The chance to build, launch, and crash your very own space jalopy ought to be worth the price of admission on it's own, though!