The 2011 Game in a Day (GiaD) event starts tonight at 12am Eastern Time. At that time several themes will be announced, and you have 48 hours to create a game and submit it. Click here for the full rules.
To be honest, I forgot this forum existed, and I don't have much time to write anything else before I have to leave for work. So check out my blog if you're interested. That's where I'll be announcing the themes, and you can also see previous years winners and stuff like that. This is the sixth annual GiaD event, so we've been around for a while, and there's been a lot of submissions, so you can get a good idea of what places well. There will be $60 in prizes, so get something sent in and you may just get some cash!

Maybe if it took place over say, a week and players had to make direct contact with you about when their day started and you organize a deadline?