The GC Lottery is basically known as the US Green Card Lottery or the Diversity Visa Lottery Program. Browse this site for more information on US green card lottery. It is an entrance for wishful people from eligible countries to live, work and study in their dream country. In other words, Diversity Lottery promoting the diversity in the states of America and people from all over the entire world to attain their dream to become a permanent resident status in the United States.