Cosmo Tank

Game Boy

Loose: $7
Sales: 3in 90 days

Variants

Region

Any NTSC Asia

Complete —no sales Sealed —no sales Loose $7–$93 sales Incomplete —no sales Graded CIB —no sales Graded —no sales

Market value

$7–$9 typical$6.733 sales in 90 days

$7 $9

Liquidity 50 of 100

3 sold in 90 days · sells in about 5 days · 3 listed now

No trend yet

sales since Oct 2026

Medium confidence

3 sales, newest Oct 30 · few sales

Sales history

3 recorded loose sales of Cosmo Tank, Asia release, newest first
Sold		Region	Edition	Condition	Price
Oct 30, 2026 sold in 5 weeks	ATLUS Cosmo Tank Nintendo Gameboy Cartridge (1990) NTSC-J Japan Import US Seller Oct 30, 2026Asia · Standard, Japan	Asia	Standard Japan	Loose	$8.99 eBay
Oct 22, 2026 sold in 2 days	Cosmotank - gameboy Oct 22, 2026Asia · Standard, Japan	Asia	Standard Japan	Loose	$6.69 Vinted
Oct 18, 2026 sold in 5 days	Cosmo Tank Nintendo Game Boy Cartridge Oct 18, 2026Asia · Standard, Japan	Asia	Standard Japan	Loose	$6.67 eBay

Photos

NTSC

Cartridge label

Asia

Cartridge label

Frequently asked

How much is Cosmo Tank worth on the Game Boy?

A loose cartridge sells for about $7 in Asia. The three sales in the last 90 days went for $7 to $9.

How quickly does Cosmo Tank sell?

Three copies sold in the last 90 days. The cheapest listings sell within about 5 days, and three 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.