ASO - Armored Scrum Object

Shoot Them Up First of Series 

Type of the game: [Coin-Op] Arcade Video Game
ASO - Armored Scrum Object © 1985 SNK.

A vertically scrolling shoot'em up game.

Main CPU : (2x) Z80 (@ 4 Mhz)
Sound CPU : Z80 (@ 4 Mhz)
Sound Chips : YM3526 (@ 4 Mhz)

Players : 2
Control : 8-way joystick
Buttons : 3

Released in November 1985 in Japan.

This game is known as "Alpha Mission" in the US. And is also known as "Arian Mission".

1. ASO - Armored Scrum Object (1985)
2. Alpha Mission II (1991)

Consoles:

Nintendo Famicom (1986, "ASO - Armored Scrum Object [Model SFX-AO]")

Game's rom.