Alien Syndrome

Sega Master System Sega, Sanritsu

Complete: $29
Sales: 4in 90 days

Variants

Region

Any NTSC PAL JP BR

Complete $24–$304 sales Sealed —no sales Loose $7–$152 sales Incomplete $131 sale Graded CIB —no sales Graded —no sales

Market value

$7–$15 $5.04 and $15two sales

$7 $15

Liquidity 32 of 100

2 sold in 90 days · 5 listed now

No trend yet

sales since Oct 2026

Low confidence

2 sales, newest Oct 19 · few sales

Sales history

2 recorded loose sales of Alien Syndrome, every region, newest first
Sold	Listing		Region	Edition	Condition	Price	Feedback
Oct 19, 2026 sold in 5 days		SEGA Alien Syndrome Arcade Edition Arcade for Sega Master System Game Cartridge Oct 19, 2026NTSC · Standard	NTSC	Standard	Loose	$15 eBay
Oct 17, 2026 sold in 7 days		SEGA Alien Syndrome Sega Master System Mega Cartridge Spielmodul Oct 17, 2026PAL · Standard	PAL	Standard	Loose	$5.04 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 $29. The four sales in the last 90 days went for $22 to $30.

How quickly does Alien Syndrome sell?

Two copies sold in the last 90 days. Five are 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.