My good friend, Audra, has this posted on her Krellfish blog. I took the challenge, thought I'd play for a couple of minutes, but found myself playing for almost an hour. This is a great way to test/stretch your vocabulary and help feed the hungry around the world!
You can read all the details at www.FreeRice.com. Basically, you play a simple game which tests your vocabulary prowess, one word at a time. For each word that you correctly define (it's multiple choice), FR donates 20 grains of rice through the United Nations to end world hunger.
Click on the banner to start playing...