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In the year 2525 space is again threatened. Only the legendary Super Jet Plane SYD can defeat the invading armada and destroy the Fulvalence Groma.

Alpha Mission II is a top-down, vertically-scrolling shooter and the sequel to Alpha Mission. When the game starts the player picks two armors for their SYD, and additional armors can be purchased at the end of each level. Armors add additional firepower to the ship while equipped, and will be destroyed when shot, saving the ship from one hit. The SYD's primary weapons, a straight ahead laser and falling bombs, can be upgraded from icons dropped by specific enemies. Similarly to Xevious ground targets can only be hit by bombs, while aerial targets can only be hit by lasers.


Alpha Mission II Arcade Bigger ships appear now.
Alpha Mission II Arcade Blasting an alien over a grid.
Alpha Mission II Arcade Blasting the boss.
Alpha Mission II Arcade Select your control.

Promo Images

Alpha Mission II Screenshot
Alpha Mission II Screenshot
Alpha Mission II Screenshot
Alpha Mission II Screenshot


Alternate Titles

  • "ASO II: Last Guardian" -- Japanese title
  • "ASO II 〜ラストガーディアン〜" -- Japanese spelling

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Critic Reviews

All Game Guide 1998 3.5 Stars3.5 Stars3.5 Stars3.5 Stars3.5 Stars 70


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Trypticon (11031) added Alpha Mission II (Arcade) on Jan 26, 2014
Other platforms contributed by mars_rulez (44223), Lain Crowley (6787), Michael Cassidy (20954), リカルド・フィリペ (151973), firefang9212 (48211) and Foxhack (24416)