All police forces are clones. The COPY-Y program has been a success so far - Clones bred for their accuracy, skill and impeccable teamwork has driven the rate of crime down with a invalable yet displosable squad. You are two subject of the COP-Y police program, agents 201811420 and 201811419. Your mission? Ascend this tower, find and kill the Transgression. Destroy those who get in your way.