When was the Alien Syndrome (JP Sega Mark III) price last updated?

The latest Float values for Alien Syndrome on JP Sega Mark III are from Sep 20, 2026.

Which edition is this Alien Syndrome listing?

This page is the Japan edition of Alien Syndrome on JP Sega Mark III.

JP Sega Mark III · Japan · 1987

Sealed Alien Syndrome (JP Sega Mark III) is $95.00 as of Sep 20, 2026. CIB is $47.53 and Loose is $21.57.

Japan edition. Last updated Sep 20, 2026.

Sealed Value

$95.00

Sealed Premium

4.4× loose

How much more a factory-sealed copy is worth versus a loose cartridge or disc.

Demand

Low

How actively this title tends to trade, based on yearly sales activity.

When was the Alien Syndrome (JP Sega Mark III) price last updated?: The latest Float values for Alien Syndrome on JP Sega Mark III are from Sep 20, 2026.
Which edition is this Alien Syndrome listing?: This page is the Japan edition of Alien Syndrome on JP Sega Mark III.