Flutter Bombs started as a landscape study originally in UDK. As the environment evolved, the project expanded and became a multi-platform development in the later released UE4 to better understand similarities and differences in mobile, console and VR development. Coming to Xbox One in Spring of 2019.
The game saw many forms at one point. Here was a six DoF version being tested in VR:
And here was an older version of the mobile game on iOS and Android which have since been removed: