People tend to check in during these times:
Make sure to bring all your id.
Dont be mean to the Help Desk people - they don't get paid to be here to help you. It sucks that we have to wait so long, but be patient, and don't get mad.
Gamesmaker uniform & accreditation took just over an hour, everyone very friendly & helpful
They dont mind if you go early so dont wait around waiting for your appointment time.