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Alien Syndrome
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Alien Syndrome (Japan)

NES / Famicom
🇬🇧
Reviewed in
1987
62
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✪ Reviewed on January 14, 2026
54

Alien Syndrome adapts Sega's top down arcade shooter to NES where you free hostages in infested space stations. The 8 bit version loses grandeur but keeps the original's oppressive intensity. Pleasant for 8 bit top down shoot fans, in line with Sega arcade average.

Your verdict
Category
Shooter 1 player 12+
Description
Port of Sega's arcade run and gun: two heroes free hostages across alien bases before facing huge biomechanical bosses. Published by Sunsoft, released in 1987 in Japan. Top-down free-scrolling action with eight-way shooting. Famicom cartridge.

Alien Syndrome review

3/5
Art direction
★★★★★
"Polished"
3/5
Music
★★★★★
"Memorable"
2/5
Story
★★★★★
"Classic"
Gameplay
"Decent"
Fun
"Pleasant"
Addictiveness
"Engaging"
Difficulty
"Balanced"
Lifespan
"Average"
Technical info
💾0,1 MB 📅21/02/1987
Published by Sunsoft

Alien Syndrome (NES) price, value & rarity

Sought-after
Q1 loose
 $35 Q6 complete
 $84 Q10 new
 $268 !
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Collector interest

Alien Syndrome only ever appeared on Famicom in Japan, never released in the West, making it a territorial exclusive for fans of Sega arcade conversions. Published by Sunsoft in 1987, it carries the polished technical signature typical of that developer on the 8-bit hardware. Its appeal comes from the absence of an official NES version and from Sunsoft's sought-after Famicom output, rather than from extreme scarcity of the print run.

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