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Gradius: The Interstellar Assault retains the traditional horizontal scrolling gameplay from the Gradius series. Once again the player takes control of the Vic Viper and flies through five different stages destroying Bacterion's army. The game retains the traditional power-up bar from the original Gradius. The player can speed-up multiple times, use missiles, shoot double firepower or lasers, use several options at a time and use the classic shield (although it is referred to as a forcefield). However, before each game is started or continued, the player is given a "Weapon Select" screen. Here the player can choose between one of three settings for the missiles, double firepower, and lasers.
Gradius: Interstellar Assault Game Boy price & price history
The average CIB price for Gradius: Interstellar Assault (Game Boy) was $26.03 30 days ago and is $345.50 now — up $319.47. Real-market prices from eBay sold listings, updated daily — see the full price chart above.
Frequently asked questions
- How much is Gradius: Interstellar Assault (Game Boy) worth?
- Gradius: Interstellar Assault for Game Boy is worth $345.50 on average for a complete-in-box (CIB) copy, based on recent eBay sold listings.
- Is Gradius: Interstellar Assault going up or down in price?
- The price is trending up — it was $26.03 30 days ago and is $345.50 now, a $319.47 increase.
- How does the 100 Coins price compare to PriceCharting?
- PriceCharting publishes one price per condition for Gradius: Interstellar Assault on Game Boy. 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 | 2026-07-31 | $24.31 | Game Only | Gradius Interstellar Assault Nintendo Gameboy GB Cart Only Tested | |
| eBay | 2026-07-22 | $329.00 | CIB | Gradius: The Interstellar Assault Game Boy 1992 Complete Authentic Tested | |
| eBay | 2026-07-02 | $34.95 | Game Only | USED AUTHENTIC USA GAME ONLY -) GRADIUS INTERSTELLAR ASSAULT (- GAME BOY | |
| eBay | 2026-06-10 | $19.98 | Game & Case | Gradius Interstellar Assault (Nintendo Game Boy, 1991) Game + Case | |
| eBay | 2026-05-31 | $475.00 | CIB | Gradius: The Interstellar Assault Game Boy 1992 Complete Authentic Tested | |
| eBay | 2026-04-23 | $39.99 | Game Only | Gradius Interstellar Assault (Nintendo Game Boy, 1991) Game Only | |
| eBay | 2026-04-10 | $500.00 | CIB | Gradius: The Interstallar Assault Game Boy 1992 Complete Authentic Tested | |
| eBay | 2026-04-09 | $33.33 | Game Only | USED AUTHENTIC USA GAME ONLY -) GRADIUS INTERSTELLAR ASSAULT (- GAME BOY | |
| eBay | 2026-04-06 | $26.03 | CIB | Gradius Interstellar Assault Nintendo Game Boy Konami Game Booklet Case Tested | |
| eBay | 2026-03-06 | $44.99 | Game Only | Gradius Interstellar Assault - GameBoy LOOSE CART W Manual |
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