The SewerPeople by Sonik.zip file you have requested: Maps Levels Missions / Misc / Sewer People - 623.36kb is not available. Perhaps try browsing all files for the game Kingpin: Life of Crime and upload any files you want to share or are missing. This is the only information we could locate:
A medium/large sized frag fest in the sewers. One train to ride and plenty of curved surfaces.