Game Huddle allows you to post reviews of your favorite games, share user id's and show off your game collection. You can also rent video games online at reasonable rates.
Some popular games include Assassins Creed and Dead Space which you can join for less than $10 per month. Game Hurdle will deposit money directly into your paypal account so it doesn't matter where you are located.
You can also earn money by renting out your games. The more games you rent the more money you make.