earlier this year which featured "Little Gamers", "Culture", "Jellycar", "The Dishwasher" and others.  MS has plans to introduce the XBox Live Community Games this holiday season to XBL Marketplace.

Microsoft unveiled in their plan that you will be able to have your games added to the XBL Marketplace, for a price of 200 to 800 points, after passing a peer review, as well as take home a cut of the total revenue the game makes, which MS claims to be up to 70% in a form of a quarterly check.

You will need to download the XNA Game Studio, which is a free development tool, and join the XNA Creators Club.  If you want to submit your games to be added the XBL for sale, you will need to pay $99 per year for a Premium Membership $49 for 4 Months.  So get your creative juices flowing, and let the coding and designing begin, and create the next big game on XBL.