The EA Forums now offer details on the promise of a free game to compensate SimCity owners for the botched launch of the urban planning sequel. Anyone with a registered copy of SimCity by the end of March 25th will be entitled to download one of the following games from Origin through March 30th:

Battlefield 3 (Standard Edition)
Bejeweled 3
Dead Space 3 (Standard Edition)
Mass Effect 3 (Standard Edition)
Medal of Honor Warfighter (Standard Edition)
Need for Speed Most Wanted (Standard Edition)
Plants vs. Zombies
SimCity 4 Deluxe Edition