A free Mars Rover Landing app on the Xbox Marketplace lets you use your body to guide the Curiosity rover to a safe landing, just like NASA would do if it didn't have specially designed equipment for more precise control of the device. There's also a Mars-focused experience in the
Additionally, the new Unity app, Curiosity's Journey, lets you explore a 3D map of Mars' Gale Crater, following along with Curiosity's mission. Thanks for still being awesome, NASA.
Update: Microsoft contacted us to let us know that the new Mars material is only on the PC edition of Kodu, not the Xbox version. The Mars rover character is the first new character since launch, accompanied by three linear levels and several open levels, based on real Mars data.