Violent Storm was released on July 26, 1993.
The 4 stage boss is actually disguised as a Power Loader seen in the 'Aliens' movie and the Konami title of the same name!
At the middle of the last stage, two cabinets of "Penta
" and "Scramble
" make an appearance (Note that "Penta
" is originally a bootleg of "Pengo
One of the bonus point items is a Twinbee doll.
King Records released a limited-edition soundtrack album for this game (Konami Amusement Sounds '94 Spring - KICA-7631, 7632) on February 23, 1994.