Ninja Boy

Game Boy Culture Brain

Region: PAL
Loose: $28
Sales in 90 days: 1in 90 days

Region: NTSC
Loose: $11
Sales in 90 days: 2in 90 days

Variants

Region

Any NTSC PAL Asia

Complete —no sales Sealed —no sales Loose $9–$273 sales Incomplete —no sales Graded CIB —no sales Graded —no sales

Market value

$9–$27 typical$14.093 sales in 90 days

$9 $27

Liquidity 34 of 100

3 sold in 90 days · sells in about 5 weeks · 4 listed now

No trend yet

sales since Oct 2026

Low confidence

3 sales, newest Oct 29 · wide spread

Sales history

3 recorded loose sales of Ninja Boy, every region, newest first
Sold		Region	Edition	Condition	Price
Oct 29, 2026 sold in 4 months	Ninja Boy - Nintendo Gameboy Classic Spiel - Culture Brain - PAL - USA #2 Oct 29, 2026PAL · Standard	PAL	Standard	Loose	$33.29 eBay · Offer accepted asking price shown
Oct 24, 2026 sold in 3 weeks	Nintendo Game Boy Ninja Boy Action Adventure Game Cartridge. Oct 24, 2026NTSC · Standard	NTSC	Standard	Loose	$10.69 eBay · Offer accepted asking price shown
Oct 13, 2026 sold in 5 weeks	Ninja Boy Cartridge Only Authentic Nintendo Game Boy Original 1990 Oct 13, 2026NTSC · Standard	NTSC	Standard	Loose	~~$19.99~~ $14 eBay · Offer accepted

Photos

NTSC

Cartridge label

PAL

Cartridge label

Asia

Front
Back

Frequently asked

How much is Ninja Boy worth on the Game Boy?

Two loose cartridges have sold in NTSC (US, Canada), for $8.55 and $14. One has sold in PAL (EU, UK, Australia), for $28.30 on October 29, 2026.

How quickly does Ninja Boy sell?

Three copies sold in the last 90 days. The cheapest listings take about 5 weeks to sell, and four 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 Ninja Boy?

Published by Culture Brain and developed by Culture Brain.