Wizardry: Proving Grounds of the Mad Overlord

Frequently asked questions

How much is Wizardry: Proving Grounds of the Mad Overlord (NES) worth?

Wizardry: Proving Grounds of the Mad Overlord for NES is worth $66.69 on average for a complete-in-box (CIB) copy, based on recent eBay sold listings.

Is Wizardry: Proving Grounds of the Mad Overlord going up or down in price?

The price is trending up — it was $65.10 30 days ago and is $66.69 now, a $1.59 increase.

How does the 100 Coins price compare to PriceCharting?

PriceCharting publishes one price per condition for Wizardry: Proving Grounds of the Mad Overlord on Nintendo NES. 100 Coins computes its own average from the individual eBay sold listings it tracks for this exact edition, weighted so recent sales count for more — which is why the two differ. Both numbers are shown on every condition card above.

Where does 100 Coins get its price data?

All prices on 100 Coins come from real eBay sold listings — actual completed transactions, not asking prices or estimates. Prices are updated daily.