Complex sentence: On October 16,2013 Ubisoft announced that "Blacklist" had failed to meet sales expectations, and on November 13 it was announced that the game had sold two million copies worldwide.
Split into simpler sentences: On October 16,2013, Ubisoft announced that the game has failed to meet sales expectations. On November 13,2013, it was announced that the game had sold 2 million copies worldwide.