Wizardry: Proving Grounds of the Mad Overlord

Nintendo Entertainment System Franchise: Wizardry

Complete: $66
Sales: 1in 90 days

Variants

Region

Any NTSC Asia

Complete $661 sale Sealed —no sales Loose $14–$255+ sales Incomplete —no sales Graded CIB —no sales Graded —no sales

Market value

$14–$25 typical$15.045+ sales in 90 days

$14 $25

Liquidity 53 of 100

7 sold in 90 days · sells in about 2 weeks · 7 listed now

Medium confidence

5+ sales, newest Oct 30 · wide spread

Sales history

7 recorded loose sales of Wizardry: Proving Grounds of the Mad Overlord, every region, newest first
Sold		Region	Edition	Condition	Price
Oct 30, 2026 sold in 3 weeks	Wizardry: Proving Grounds of the Mad Overlord NES Authentic & Tested Clamshell Oct 30, 2026NTSC · Standard	NTSC	Standard	Loose	$24.99 eBay
Oct 22, 2026 sold in 8 weeks	Wizardry: Proving Grounds of the Mad Overlord NES NTSC-U/C Oct 22, 2026NTSC · Standard	NTSC	Standard	Loose	$15 eBay · Offer accepted asking price shown
Oct 16, 2026 sold in 1 day	Wizardry: Proving Grounds of the Mad Overlord (Nintendo NES) Authentic Oct 16, 2026NTSC · Standard	NTSC	Standard	Loose	$17.65 eBay · Offer accepted asking price shown
Oct 15, 2026 sold in 2 days	Nexoft Wizardry Nintendo NES Game Cartridge - Wizardry Series Oct 15, 2026NTSC · Standard	NTSC	Standard	Loose	$25 eBay
Oct 14, 2026 sold in 2 weeks	Wizardry: Proving Grounds of the Mad Overlord (NES, 1990) Cartridge Only Oct 14, 2026NTSC · Standard	NTSC	Standard	Loose	$14.99 eBay
Oct 13, 2026 sold in 2 weeks	Nintendo NES Wizardry Proving Grounds of the Mad Overlord Tested Oct 13, 2026NTSC · Standard	NTSC	Standard	Loose	$16.99 eBay
Oct 11, 2026 sold in 7 days	Nexoft Wizardry: Proving Grounds of the Mad Overlord NES NTSC Vintage Heat clean Oct 11, 2026NTSC · Standard	NTSC	Standard	Loose	$14.27 eBay · Auction

Photos

NTSC

Front
Cartridge label

Frequently asked

How much is Wizardry: Proving Grounds of the Mad Overlord worth on the Nintendo Entertainment System?

One complete copy has sold, for $65.54 on October 22, 2026. A loose cartridge sells for $14 to $25.

How quickly does Wizardry: Proving Grounds of the Mad Overlord sell?

Around 2 copies sell per month. The cheapest listings take about 2 weeks to sell, and seven 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.