Crystals of Kaydor (image) University of Wisconsin-Madison Share Print E-Mail Caption In the experimental video game "Crystals of Kaydor," a robot crash lands on an alien planet. In order to rebuild the spaceship, players must, as the robot, build rapport with the aliens by deciphering the emotions on their humanlike faces. Credit Center for Healthy Minds/University of Wisconsin-Madison Usage Restrictions None Share Print E-Mail 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.