Defence Command (c) 1981 Outer Limits.

>>> TECHNICAL DETAILS
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Main CPU : M6809 (@ 1 Mhz)
Sound CPU : M6808 (@ 894.75 Khz)
Sound Chips : DAC
Screen orientation : Horizontal
Video resolution : 294 x 239 pixels
Screen refresh : 60.00 Hz
Palette colors : 16
Players : 2
Control : 2-way joystick (vertical)
Buttons : 5

>>> TRIVIA
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This game is a version of 'Defender'.

>>> OTHER GAME RESOURCES
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Game's rom.