The phenomenal success of the "non-game" puzzler hits a new high!

After recently reporting that Dr. Kawashima's Brain Training had already sold over 500,000 copies in Europe since the title's launch nine weeks ago, Nintendo have now revealed the extent of the game's success worldwide.

With the game still hot in the Japanese charts fifteen months after its original release and over 3 million units sold, the four million milestone was actually an unsuprising one to be broken. Sales in America contributed another 600,000 units to the total, which has now easily crossed this new boundary.