Shane on 11 May 2007
First party games (there's actually only 2) are Formula One Championship Edition (Studio Liverpool) and Untold Legends (SOE). Pretty much nothing anyone's paid any attention to. Calling All Cars has probably gotten more interest.
Numbers are from:
http://www.vgchartz.com/japweekly.php
http://vgchartz.com/japtotals.php
