Inversion isn't cops and robbers. It's cops and aliens. With gravity guns! When an invading force tears Earth apart, your fight for survival begins, starting with the protection of your family. I'll try not to give anything more away, and just instead direct your eyes down - or up, depending on how gravity may be functioning wherever you are - to this E3 2011 interview:
Inversion beams up and abducts us all February 7, 2012.