Low Bidder has been designed to closely resemble the conditions actually encountered in bidding for construction projects. The purpose of the game is to illustrate some of the contractor's problems in trying to accomplish the seemingly contradictory goals of achieving a profit while, at the same time, underbidding all competitors. The game is set up so that an entire year's operations can be viewed at one time, thus revealing some of the over-all aspects of the competitive bidding problem not normally apparent in day-to-day operations. In the game, competing players bid for a variety of construction jobs. Each player begins the game with the same amount of capital, has access to the same jobs, and is subject to the same operating costs. The game's strategy lies in choosing which of several alternative jobs to bid, and in deciding how much to bid so that there is a reasonable chance of getting a job at a fair profit. The most successful players are those who select the jobs on which there are apt to be realatively few bidders, and who apply a substantial markup to these jobs. Players who take only a few job with a good markup usually fare better in the long run. As in real life, the winners generally attribute their victory to skill and strategy, while losers are conviced that their failure is due to bad breaks.