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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 | 2026-08-22 | $99.99 | CIB | Mysterium Nintendo Gameboy Original Game Boy EXMT COMPLETE n box! | |
| eBay | 2026-08-08 | $60.00 | CIB | Mysterium Gameboy CIB Excellent Condition | |
| eBay | 2026-06-16 | $16.98 | Game Only | Mysterium (Nintendo Game Boy, 1991), Game only | |
| eBay | 2026-06-04 | $16.98 | Game Only | Mysterium (Nintendo Game Boy) Cart Only , Authentic, Tested W/ Plastic Case | |
| eBay | 2026-05-30 | $19.57 | Game Only | Mysterium (Nintendo Game Boy) Cart Only , Authentic, Tested W/ Plastic Case | |
| eBay | 2026-04-12 | $65.02 | CIB | Mysterium (Nintendo Game Boy, 1991) CIB – Box, Manual, Insert – Very Good | |
| eBay | 2026-04-02 | $45.00 | CIB | Mysterium (Nintendo Game Boy, 1991), Game with case, tested working & Manual | |
| eBay | 2026-03-24 | $19.98 | Game Only | Mysterium (Nintendo Game Boy, 1991), Game only with case, tested working | |
| eBay | 2026-01-24 | $21.86 | Game Only | Mysterium (Nintendo Game Boy) Cart Only | |
| eBay | 2026-01-23 | $150.00 | CIB | Mysterium 1991 Nintendo Gameboy CIB Complete In Box Asmik MINT W/ Inserts |
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