I honestly forgot to send my survery when I got it. I sent a question that never got answered (unfortunately), and then it just passed my mind. Until a post came up on my mail that reminded me.
Does anyone know if there was a deadline? I just finished and sent mine today. =<
I think there wasn't a deadline. I asked once, what should I do because I wanted to wait for the info if crossplay will work out fine, and they told me, I should contact them on kickstarter, if I are'nt able to fill my survey in the future. Therefore I think, as long as it works, everything will be fine. :)