Alpha Mission II / ASO II - Last Guardian
Alpha Mission II (released as ASO II - Last Guardian in Japan) is a 1991 horizontal-scrolling shoot 'em up by SNK. This sequel introduces an armor-pickup system allowing players to customize their ship with various weapons and defensive options while battling biomechanical enemies.
Game Controls
About This Retro Game
The game expands on its predecessor with a revolutionary 'Armor Change' system - collecting power-ups to equip 8 different weapon configurations mid-flight.
Set in 2027, the story follows the fight against the resurrected ASO (Armored Scrum Object) weapons system threatening Earth.
Praised for its strategic depth and weapon variety, it became a cult favorite among Neo Geo enthusiasts for its challenging gameplay and techno soundtrack.
Recommended Based on Your History
Related Retro Games
Alpha Mission is a vertically scrolling shoot 'em up arcade game developed and published by SNK in 1985. Players control a high-tech fighter spacecraft to battle against waves of enemies and powerful bosses. The game features a unique power-up system where collected items can be combined for enhanced weapon effects.
TwinBee is a vertically scrolling shoot 'em up game developed by Konami, originally released in arcades in 1985 and ported to the NES in 1986. It introduced the iconic bell power-up system and cute character designs that became hallmarks of the series.
Konami's spin-off of the Gradius series featuring both horizontal and vertical scrolling shooter segments. Introduced cooperative multiplayer and power-up capsules that automatically activate when collected.
Classic vertically scrolling shooter where players pilot an attack helicopter through enemy territory, rescuing POWs while battling tanks, jets, and enemy copters.
A helicopter-based rail shooter where players pilot the Dragonfly attack chopper through six intense missions to rescue hostages and defeat the terrorist organization Cobra. Features a unique first-person cockpit view during boss battles.
Gradius is a seminal horizontal-scrolling shooter developed and published by Konami for the NES. Players control the Vic Viper starship through challenging stages filled with enemies and obstacles, utilizing a unique power-up system to enhance their ship's capabilities.