Chairman-Mao on 13 October 2009
Gran Turismo 5 - 1.2 million in Japan, 5-6 million in Others, 3 million in America.
TOTAL = 9-10 million (may be higher because i made my decision based on today's userbase)
God of War 3 - >0.25 million in Japan, 1-1.5 million in Others, 3 million in America
TOTAL = 4-5 million (again, based on today's userbase)
Uncharted 2 - >0.5 million in Japan, 1.5-2 million in America, 2 million in Others
TOTAL = 3-4 million
