http://www.simcity.com/en_US/blog/article/for-our-patient-and-amazing-mayors-a-free-pc-download-from-origin
How to get your free game FAQ
List of games to choose from
Battlefield 3 (Standard Edition)
Bejeweled 3
Dead Space 3 (Standard Edition)
Mass Effect 3 (Standard Edition)
Medal of Honor...