Because of an apparent decrease in the business world's sense of ethics and an increase in illegal activities by many executives, America's business schools have taken steps to correct the situation through the education process. Management games, which are played in many schools and simulate the types of competitive conditions faced by real-world executives, maybe useful devices for teaching ethics and helping managers to deal with the moral and ethical dilemmas they will face in their careers. A review of the games available, however, reveals that few directly deal with ethical issues or punish firms for engaging in illegal activities within their simulation models. Because of this general deficiency, this article describes how vignettes created by the game administrator can correct these inadequacies.