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You have come to the famous alchemist Hermetrix and been accepted as his apprentice. He has sent you to be tested in the Mysterium, a three-dimensional maze of hallways. You must combine metals and minerals in pools of mercury, water, fire and acid to create any item you need.
Mysterium Game Boy price & price history
The average CIB price for Mysterium (Game Boy) was $56.30 30 days ago and is $78.50 now — up $22.20. Real-market prices from eBay sold listings, updated daily — see the full price chart above.
Frequently asked questions
- How much is Mysterium (Game Boy) worth?
- Mysterium for Game Boy is worth $78.50 on average for a complete-in-box (CIB) copy, based on recent eBay sold listings.
- Is Mysterium going up or down in price?
- The price is trending up — it was $56.30 30 days ago and is $78.50 now, a $22.20 increase.
- How does the 100 Coins price compare to PriceCharting?
- PriceCharting publishes one price per condition for Mysterium 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 | 2026-01-09 | $30.00 | Game Only | Mysterium (Nintendo Game Boy, 1991), Game only with case, tested working | |
| eBay | 2025-11-21 | $19.73 | Game Only | ORIGINAL Mysterium Nintendo Game Boy Cartridge GAME ONLY! EXE | |
| eBay | 2025-10-21 | $12.39 | Game Only | Mysterium (Nintendo Game Boy, 1991) Loose Tested Authentic | |
| eBay | 2025-04-24 | $27.99 | CIB | Nintendo Game Boy game: Mysterium (Box, Cart, Manual, Reg., Insert.) | |
| eBay | 2025-03-25 | $16.94 | Game Only | Mysterium (Nintendo Game Boy) Cart Only | |
| eBay | 2024-12-30 | $52.00 | CIB | Nintendo Game Boy Mysterium Complete In Box With Manual & Cartridge | |
| eBay | 2024-06-05 | $139.97 | CIB | Game Boy Mysterium with Box Manual Nintendo GB Original Authentic Nice Condition | |
| eBay | 2024-02-18 | $97.96 | CIB | Rare Mysterium (Nintendo Game Boy) - Asmik - Complete - MINT IN BOX!! | |
| eBay | 2024-01-01 | $106.50 | CIB | Mysterium (Nintendo Game Boy) -- Asmik -- Classic Adventure Game -- Complete | |
| eBay | 2023-09-04 | $99.99 | CIB | Mysterium (Nintendo Game Boy) Cheapest & 100% Complete w/ Warranty Card and More |
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