Atlus announced that Shin Megami Tensei IV has sold over 600,000 units on the Nintendo 3DS.

That sales figure is from units sold worldwide, news confirmed via a tweet in which the publisher announced an “Atlus Best Collection” version (Editor’s Note: bargain priced) of the post apocalyptic RPG. The lower priced version is launching in Japan on October 8th, for 2,980 yen.

Shin Megami Tensei IV first launched in Japan in May of 2013, followed by a North American launch in July of the same year, and finally October of last year for our European fans.