A(n) is a piece of software or an integrated software/hardware system that can capture and decode network traffic.

Although this is not a direct answer, the general answer is basically the same administrative tools that one can use to monitor traffic. It can be abused to do the same thing.

Board game basics: the main types of board games. as a general rule, board games can be divided into three categories: war games, game design is the art of applying design and aesthetics to create a game for game design creates goals, rules and challenges to define a board game, list of types of games