Back in May, Namco Bandai revealed that they had shipped 1 million copies of Naruto Shippuden: Ultimate Ninja Storm 3 across the U.S. and Europe. Recently, they revealed that they’ve shipped 1.4 million copies of the game worldwide (via ANN).
Additionally, as reported last week, Naruto Shippuden: Ultimate Ninja Storm 3 is getting an updated version with Ultimate Ninja Storm 3 Full Burst. This game is in development for PC, Xbox 360 and PlayStation 3, and is actually being released to commemorate this milestone.
Siliconera recently had an opportunity to interview the producer of Naruto Shippuden: Ultimate Ninja Storm 3 Full Burst, and you can read that interview here.