Originally Posted by CocaColin
Downloaded, and played for about 20 minutes. Now I have to go to school, and await the long day in order to come back and play. As for the achievements, I've only gotten one thus far, but does that mean it won't register it, since the site didn't?
No they will not register. You will have to recover your gamertag and then play it again for the website to register your progress on your actual profile.