Xchange Video Games
This website was created to trade used video games (PS3, XBox, Wii) between gamers that don't use their video games any more. There is a collection of about 2500 titles where you can select which titles you have, and the ones that you are looking for trade. You can login throw facebook or you can create your account throw email. The website periodically sends you a summary email where you can read the available games you selected as interested to trade. It was built using 100% Grails, MySQL and Amazon AWS.