Alien Syndrome

Nintendo Entertainment System Franchise: Alien Syndrome

Loose: $15
Sales: 4in 90 days

Variants

Region

Any NTSC Asia

Complete —no sales Sealed —no sales Loose $11–$174 sales Incomplete —no sales Graded CIB —no sales Graded —no sales

Market value

$11–$17 typical$14.744 sales in 90 days

$11 $17

Liquidity 49 of 100

4 sold in 90 days · sells in about 9 days · 1 listed now

No trend yet

sales since Oct 2026

Medium confidence

4 sales, newest Oct 29 · few sales

Sales history

4 recorded loose sales of Alien Syndrome, NTSC release, newest first
Sold		Region	Edition	Condition	Price
Oct 29, 2026 sold in 5 days	Alien Syndrome Nintendo NES Game Cartridge NTSC-U/C (US/Canada) 1989 Oct 29, 2026NTSC · Standard	NTSC	Standard	Loose	$14.48 eBay
Oct 23, 2026 sold in 2 weeks	Alien Syndrome (Nintendo Entertainment System, NES 1988) Cartridge Only Oct 23, 2026NTSC · Standard	NTSC	Standard	Loose	$17.99 eBay
Oct 18, 2026 sold in 6 weeks	Alien Syndrome Nintendo NES Tengen Edition Oct 18, 2026NTSC · Standard	NTSC	Standard	Loose	$15 eBay
Oct 15, 2026 sold in 2 days	Tengen Alien Syndrome Nintendo NES Game Cartridge Oct 15, 2026NTSC · Standard	NTSC	Standard	Loose	$10 eBay

Photos

NTSC

Front

Frequently asked

How much is Alien Syndrome worth on the Nintendo Entertainment System?

A loose cartridge sells for about $15 in NTSC (US, Canada). The four sales in the last 90 days went for $10 to $18.

How quickly does Alien Syndrome sell?

Four copies sold in the last 90 days. The cheapest listings sell within about 9 days, and 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.