Heiankyo Alien (c) 1980 Denki Onkyo.
You control a man who walks around in a maze digging holes to trap the aliens.

>>> TECHNICAL DETAILS
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Main CPU : Z80 (@ 1.93356 Mhz)
Screen orientation : Vertical
Video resolution : 224 x 256 pixels
Screen refresh : 60.00 Hz
Palette colors : 64
Players : 2
Control : 4-way joystick
Buttons : 2

>>> TRIVIA
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Released in January 1980
The title of this game translates from Japanese as 'Ancient Kyoto Alien'.
Heiankyo is the old capital of Japan, located in present-day Kyoto. The main character is a Kebiishi, a member of the Heiankyo police.

>>> GAME PORTS TO OTHER SYSTEMS
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* Consoles :
Nintendo Game Boy (1990)
Nintendo Super Famicom (1995, 'Nichibutsu Arcade Classics 2 - Heiankyo Alien')

>>> OTHER GAME RESOURCES
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Game's rom.