Ogre Battle 64 was first released in Japan on July 14, 1999. It was originally published by Nintendo.
It was then released in North America by Atlus USA on October 7, 2000.
On January 26, 2010 Ogre Battle 64 was released digitally for the Wii Virtual Console. This was then quickly followed by a EU release on March 26, 2010, then an NA release on March 29, 2010. Square Enix published these releases.
On February 9th 2017, was released again on the Wii U Virtual Console in the EU. This was then followed by a NA release on February 16th 2017 and a Japanese release in July 2017. As of 6/21/2020, this is the most recent release of the game.