Up to an hour of gameplay. You can have more, but you'll only be judged for an hour. My goodness if it was dev time a lot of us would be very much in trouble! O.o
Well, it said prototype, that why i wasn't sure. Thanks a bunch, good luck with your game!
Haha, no worries. It is always a good idea to check than not :) Thanks for the well wishes too, I hope your game goes well also!