From the website
"Using games for purposes other than entertainment is nothing new. There are war games, educational games, throne games. But a new class of games has sprung up in recent years, designed to create awareness and raise support for a variety of global issues. Such serious games seek to harness the power of competition and/or novelty to attract players and get the word out for a good cause. Here are 15 games you can play and be a better person for it."
Via Ken Morrison