In the year 2152 there was an epidemic that wiped out the majority of the population. The automated cleaning system for the city kicked into overdrive 'cleaning' the dead, the sick, and even the living leaving a sparkling mausoleum.
Every now and then a brave, or stupid person decides to try to venture into the streets since everything still works and the owners are all dead. Unfortunately the automated systems are still working just fine on an internal city-wide network that can only be shut down from inside the Public Works building with the appropriate key. Cleaning robots, security, and anti-theft measures are all still very much active.
Will this adventurer make it out alive or is he destined to become another mess for the street-sweeper to bleach?