Players control a satellite and must destroy enemies by moving a crosshair over them and firing the satellite's weapons.
Our algorithm tracks 5 verified sales from eBay and other marketplaces. We don't use asking prices, only what buyers actually pay.
We automatically exclude damaged items, reproductions, and extreme outliers to ensure the average is representative of the true market value.
The retro market moves fast. Our database refreshes every day to capture the latest trends and shifts in collector demand.
Confidence Score: High • Based on 5 verified transactions
Currently, the value of a Complete In Box (CIB) copy of Global Defense is estimated around $14.47. For collectors looking for a Loose copy, transactions usually happen around $6.40. The price gap suggests that the box is relatively common.
Released in 1987 on Sega Master System, this title is an interesting piece for any Sega Master System collector. The game's value is rising, a sign of growing interest from collectors.
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Players control a satellite and must destroy enemies by moving a crosshair over them and firing the satellite's weapons.
Our algorithm tracks 5 verified sales from eBay and other marketplaces. We don't use asking prices, only what buyers actually pay.
We automatically exclude damaged items, reproductions, and extreme outliers to ensure the average is representative of the true market value.
The retro market moves fast. Our database refreshes every day to capture the latest trends and shifts in collector demand.
Confidence Score: High • Based on 5 verified transactions