Complex sentence: ' was released on December 16,2010 in Japan, June 28,2011 in North America, July 1,2011 in Europe, and it was released in Australia on July 12,2011.
Split into simpler sentences: ' was released on December 16,2010 in Japan. In North America it was released on June 28,2011, in Europe on July 1,2011 and Australia on July 12,2011.