Bosconian
Original title: Bosconian (Star Destroyer)
Platform: MSX
Region: Japan
Media: Cartridge
Controller: Keyboard
Genre: Shoot 'em Up > Vertical 
Gametype: Undefined
Release Year: 1984
Developer: Namco
Publisher: Namco
Players: 1
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Bosconian is a space shooter. It's your job to destroy enormous enemy battle stations scattered throughout the galaxy, which is filled with meteors and space mines. You can either do this by destroying one by one their outer structures or with a single shot in their core. They are heavily defended however by guns, fighters and (in later levels) missiles. Destroying all battle stations, with the help of your radar, will bring you to the next level. 

Often the enemy will try to destroy you by launching attack waves. Keep you eyes out for the enemy spy ship, if it escapes your fire, you are really in for it.
 
http://www.mobygames.com/game/msx/bosconian