From the announcement:
Register to attend the 2015 CUNY Games Festival. Registration opens November 1st, 2014. The deadline for advanced registration is December 31st at midnight (EST). Attendees can register in advance using PayPal or credit cards. Because the conference is likely to sell out, advance registration is recommended.
Read more and register: The CUNY Games Festival 2.0 | A Conference on Game-based Learning in Higher Education