ScreamRide Announced, gamescom 2014 Video

ScreamRide is a full-featured, physics-based coaster game where creativity and destruction are equally welcomed
In the works at Frontier Developments and Microsoft Studios, ScreamRide fuses creation, destruction and addictive action into an exhilarating reinvention of the sandbox-creation genre. You will use your imagination to build extreme rides and environments from the ground-up, pilot your creations with skill, destroy anything and everything with phenomenal physics and deafening destruction, or share your dream creations with friends and experience their twisted masterpieces.
ScreamRide will be available exclusively for Xbox One and Xbox 360 in spring 2015.