Your space colony is under attack! you have to defend the enemies advent, your mission is under codename of "Mission 660". You must destroy wave after wave of different types of enemy ships advancing through the deep space and grab the power star item to increase and upgrade your spaceship. Eventually you make it to a big enemy space ship, you must shoot several shots for destroy, then the cycle level starts over again.
Click to enlarge (members only)
Main CPU : Zilog Z80 (@ 4 Mhz)
Sound CPU : (3x) Z80 (@ 2 Mhz)
Sound Chips : General Instrument AY8910 (@ 2 Mhz), (2x) DAC
Control: 8-way joystick
Developed by Kaneko.
Mission 660 was released in October 1986 in Japan.