Akkanvader was released in June 1995 in Japan. It is known outside Japan as "Space Invaders '95 - The Attack of Lunar Loonies
The title of this game translates from Japanese as 'Rogue-vader'.
For more information on the game itself, please see the non-Japanese version entry.
Pony Canyon / Scitron released a limited-edition soundtrack album for this game (Welcome to the Karu Land - PCCB-00196) on November 17, 1997.