"In a Game Jam, participants come together to make video games. Each participant works in a small team on a complete game project over the course of a limited time period, usually over a weekend. With such a small time frame, the games tend to be innovative and experimental. The Global Game Jam (GGJ) is the first of its kind: a game Jam that takes place in the same 48 hours all over the world! The global Game Jam will start at 5:00PM Friday, January 30, 2009 through 5:00PM Sunday, February 1, 2009, (all times local). All participants in the Global Game Jam will be constrained by the same rules and limitations, with each time zone having one distinct constraint."