Megablast was released in October 1989.
As "Master of Weapon
", Megablast was very unpopular. The main reason is the game was worse than other shoot'em ups of this period. So, most boards were withdraw.
Only one soundtrack include the game's sounds (composed by Zuntata): "Taito Retro collection 5" (KDSD-00553,00554) on May 30, 2012.