Yeah, usually big jams like these come down to the wire so tons of submissions wont flood in until the very last minutes. Haha. I'll probably be one of those myself. Haha
Yah I did it in previous jams too lol. But the guy who won 1st place in the latest jam told me that its better to upload the game when me had done some core func and then update the games until the jam ends. So this jam I decide to do so and found that it makes me not to feel rush