Alien Syndrome

Sega Master System Sega, Sanritsu

Complete: $25
Sales: 4in 90 days

Variants

Region

Any NTSC PAL JP BR

Complete $13–$294 sales Sealed —no sales Loose $151 sale Incomplete $131 sale Graded CIB —no sales Graded —no sales

Market value

$13 $12.50one sale, Oct 29

Liquidity 20 of 100

1 sold in 90 days · 1 listed now

No trend yet

sales since Oct 2026

Low confidence

1 sale, newest Oct 29 · few sales

Sales history

1 recorded incomplete sales of Alien Syndrome, NTSC release, newest first
Sold	Listing		Region	Edition	Condition	Price	Feedback
Oct 29, 2026 sold in 7 days		SEGA Alien Syndrome Sega Master System Action Adventure Game w/Case Oct 29, 2026NTSC · Standard	NTSC	Standard	Incomplete	$12.50 eBay · Auction

Photos

NTSC

Front

PAL

Front

Japan

Front

Frequently asked

How much is Alien Syndrome worth on the Sega Master System?

A complete copy sells for about $25 in NTSC (US, Canada). The four sales in the last 90 days went for $11 to $30.

How quickly does Alien Syndrome sell?

One copy sold in the last 90 days. One is listed right now.

How is sales data gathered?

We retrieve listing information through eBay alerts and Vinted alerts provided by GrailHound and apply image recognition and text processing to link marketplace listings to games.

Who made Alien Syndrome?

Published by Sega and developed by Sanritsu.