Recent Advances in Experimental Studies of Social Dilemma Games is a collection of articles exploring the issue of sustaining cooperation in social dilemma games and showcases the state of the art in this area. The papers were originally published in a Special Issue of the journal GAMES, an open access journal published by MDPI. Subsequently, the articles were published in this collected volume. For anyone interested, copies can be ordered from either the publisher (MDPI) or from Amazon.com.