Milon's Secret Castle (1988)
Game Boy Color · 1988
About this game
Milon, a child of the Kingdom of Hudson, must go on a quest to rescue Queen Eliza from an evil wizard who has taken over her castle as well as the musical instruments that the queen's subjects use to communicate with each other.
Milon must recover the stolen instruments and rescue the queen from the wizard.
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Armed only with a magical bubble-shooting ability, Milon makes his way through the rooms of the castle finding items and money that can help him progress.
This is a platformer that blends Mario-esqe action with puzzle-solving and exploration.
About Game Boy Color
The Game Boy Color (1998) added a color screen to the original Game Boy formula while remaining backwards compatible with the entire existing cartridge library. Its colorful, semi-transparent cartridge shells make it a visually distinct platform for shelf collectors, and several late-cycle exclusives — released just before the Game Boy Advance took over — are notably harder to find complete today.
Gamevaro tracks Milon's Secret Castle (1988) for Game Boy Color with separate market values for loose, complete-in-box (CIB) and factory-sealed copies, sourced from real eBay sales. Prices also vary by region — PAL, NTSC-U and NTSC-J releases of the same game often sell for different amounts due to print run sizes and regional collector demand.
Adding Milon's Secret Castle (1988) to a Gamevaro collection takes seconds — search by title or scan the box barcode, and the app fills in cover art, release details and current pricing automatically. This GBC release dates back to 1988.
Market values by condition
PAL
Recent sales
| Date | Type | Region | Price |
|---|---|---|---|
| 2026-07-08 | Loose / Item only | PAL | €59.99 |
Rarity & condition
Only a handful of market sales have been tracked for Milon's Secret Castle (1988), suggesting it doesn't trade hands very often — a sign of relative scarcity compared to more common Game Boy Color titles.
Complete-in-box (CIB) copies typically command a premium over loose cartridges/discs because the original box and manual are more fragile and get discarded or damaged over time — fewer complete sets survive.
Frequently asked questions
How much is Milon's Secret Castle (1988) worth?
Milon's Secret Castle (1988) for Game Boy Color is currently worth €59.99 loose. Prices are based on real sales and update regularly on Gamevaro.
Is Milon's Secret Castle (1988) rare?
Milon's Secret Castle (1988) has only a handful of tracked market sales, suggesting relative scarcity compared to more common Game Boy Color titles.
What's the difference between loose, CIB and sealed for Milon's Secret Castle (1988)?
Loose means cartridge or disc only, CIB (complete in box) includes the original box and manual, and sealed means factory-sealed and never opened. These are tracked as separate market values because the price gap between them can be significant, especially for older releases.
Ratings & Reviews
Also on other platforms
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