Yes, Imageepoch is behind the Black Rock Shooter game, tentatively titled, Black Rock Shooter: The Game. This weeks issue of Famitsu explains the PSP game is set in 2051 where an alien attack annihilated the Earth. Twelve people survived and are about to rise up against the invaders.
The game is said to be a blend of a RPG and a third person shooter.
Kazushige Nojima, the scenario writer for the Glory of Heracles series and Final Fantasy VII, is the scenario writer for Black Rock Shooter: The Game. Kazuya Niinou who worked on Last Ranker is the game’s director.
Black Rock Shooter: The Game is slated for summer 2011 in Japan.