Improve your Vocabulary and Feed the Hungry at the Same Time

The United Nations World Food Program, the world’s largest food aid agency, working with over 1,000 other organizations in over 75 countries, says the Web game FreeRice has generated enough rice to feed 50,000 hungry people around the world for one day.

Players are quizzed on English vocabulary. Each correct answer generates 10 grains of rice for the WFP. Correct answers trigger advertisement displays. The ad revenue goes to the U.N.