Mob Rule (also known as Constructor: Street Wars and Street Wars: Constructor Underworld in Europe) is a real-time strategy video game for Microsoft Windows released in 1999 by Simon & Schuster and 3Studio.

It is the successor to the 1997 video game Constructor.

The goal of the game is to construct buildings and fight enemy teams in a Mafia-themed background.

It was re-released on GOG.com in 2010 for Windows and in 2013 for MacOS.

The game received mixed reviews according to the review aggregation website GameRankings.