Ultimatum Game (VIDEO) Georgia State University This video is under embargo. Please login to access this video. To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Caption This is a video describing the ultimatum game in chimpanzees. Credit Darby Proctor, Frans de Waal and the Yerkes National Primate Research Center Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.