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Fortress is a FAST-ACTION strategy game where players build an endless variety of unique structures and compete against each other in an all out war to the end! Hurl Strone Age rocks during the days of the dinosaurs, engage in cannon fire from the Golden Age of Piracy to Medieval Times, and energize plasma projectiles in the world of tomorrow. Populate your fortress with a variety of humorous Twerp characters as you learn to unlock the secrets of the Wizard's Tower! Play alone or in head-to-head mode using the Game Boy Advance Game Link cable feature.
Fortress GBA price & price history
The average CIB price for Fortress (GBA) was $16.08 30 days ago and is $16.08 now — unchanged. Real-market prices from eBay sold listings, updated daily — see the full price chart above.
Frequently asked questions
- How much is Fortress (GBA) worth?
- Fortress for GBA is worth $16.08 on average for a complete-in-box (CIB) copy, based on recent eBay sold listings.
- Is Fortress going up or down in price?
- The price has been stable at $16.08 over the past 30 days.
- How does the 100 Coins price compare to PriceCharting?
- PriceCharting publishes one price per condition for Fortress on Game Boy Advance. 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.
| Source | Date | Price | Completeness | Description | Report |
|---|---|---|---|---|---|
| eBay | 2023-06-15 | $39.99 | Sealed | Fortress (Nintendo Game Boy Advance, 2001) NEW FACTORY SEALED | |
| eBay | 2023-03-15 | $30.50 | Sealed | Fortress (Nintendo Game Boy Advance, 2001) NEW FACTORY SEALED NIB CIB | |
| eBay | 2023-02-21 | $29.99 | Sealed | Fortress Game Boy Advance GBA Brand New Sealed | |
| eBay | 2023-02-07 | $19.98 | Sealed | Fortress Game Boy Advance GBA Brand New Sealed | |
| eBay | 2022-03-04 | $25.00 | Sealed | gameboy advance gba fortress brand new sealed |
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