Kosmo Killer © 198? BEM.
This game is an Italian bootleg of Astro Invader.
Main CPU : Zilog Z80 (@ 2 Mhz)
Sound Chips : Discrete Circuitry.
Screen orientation : Vertical
Video resolution : 224 x 256 pixels
Screen refresh : 60.00 Hz
Palette colors : 8
Players : 2
Control : 2-way Joystick
Buttons : 1