Silver Land © 1982 Falcon.
This game is a bootleg of "River Patrol".
Main CPU : Zilog Z80 (@ 3.072 Mhz)
Sound Chips : General Instrument AY8910 (@ 1.536 Mhz)
Players : 2
Control : 2-way joystick
Buttons : 1
Released in November 1981.
Game's ROM.