Simple. I'll start off with a list of characters from a specific group and then, twice a day, people can vote to have a character go up a rating and a character go down a rating. Ratings will start off at ten. This is the example for the characters, which will be from the World of the Living (during the first Arc) group:
If you would like to know how it works, better, then visit the Angel Beats spot, where there is the same idea game, that is still operating. Also, when you post, make sure you copy and paste from the last person's post, so that you don't have to write it out each time!