エイリアンシンドローム 1 of 2

Alien Syndrome

エイリアンシンドローム
Sega Game Complete (CIB) Japanese

¥7,500 ❌ Overpriced Buy on Yahoo JP

Asking Price 10h ago
Listed 2026-07-16 埼玉県, JP
From listing #513121: Alien Syndrome ALIEN SYNDROME with box explanation can be bundled! !...
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エイリアンシンドローム ALIEN SYNDROME 箱説付 (Box and Manual included). Note: Seller mentions potential for terminal cleaning (端子清掃) for 100 yen, but the item is the game itself. The title specifies 'Sega Mark III' (セガマークⅢ).
Item Details
Item Type: Software Game
Platform: Sega Mark III
Cosmetic condition: Good - Moderate wear, normal for age
Functional condition: Fully Working - Tested and fully functional
Completeness:
This game is classified as Complete (CIB) because it includes:
Software Details
General Software Info (shared across all releases)
Software: Alien Syndrome
Publisher: Sega
Description: Alien Syndrome is a 1988 software title for Amiga, Atari ST, Commodore 64 published by Ace.
Platforms: Amiga, APF Calculator, Atari ST, Commodore 64, Game Gear, NES, Sega Mark III, SEGA Master System, Sharp X68000, Wii
Published: 1988
References: Lemon64 MobyGames IGDB Wikidata Video Games Museum
This Release
Platform: Sega Mark III
Media Type: Game Cartridge
Media Count: 1
Alien Syndrome - Market Overview

Based on 28 sold items, one should expect to pay ~$25 for a working unit. However, this unit's completeness (Complete (CIB)) brings its guide price to $36. 8 others are also listed for sale.
This item ($50) is 1.4x the guide price (~$36).