# Milon's Secret Castle — resale value

Source: JunkPal price guide — https://junkpal.ai/products/milon-s-secret-castle-gameboy-price

**Milon's Secret Castle** is worth about **$18** loose, based on real closed eBay sales. Sealed or new examples sell for around **$499.99**.

Live listings and the full sold-price history are on the page: https://junkpal.ai/products/milon-s-secret-castle-gameboy-price

## Value by tier

| Condition | Value (USD) |
| --- | --- |
| Loose | $18 |
| Complete (CIB) | $133 |
| Sealed (new) | $500 |
| Graded (WATA/CGC) | $550 |

Values are medians of real closed eBay sales, updated 2026-07-25. They are estimates for reference, not offers or appraisals — condition, completeness and edition move them a lot, so compare against the sold listings before pricing anything.

Recent movement: Rising · +12%.

## Check the market

- [Sold listings on eBay](https://junkpal.ai/api/go?to=https%3A%2F%2Fwww.ebay.com%2Fsch%2Fi.html%3F_nkw%3DGame%2520Boy%2520Milon's%2520Secret%2520Castle%26LH_Sold%3D1%26LH_Complete%3D1%26mkcid%3D1%26mkrid%3D711-53200-19255-0%26siteid%3D0%26campid%3D5339166094%26toolid%3D10001%26mkevt%3D1%26customid%3Dmd-sold&p=md-sold) — the closed sales these medians are computed from
- [Live listings on eBay](https://junkpal.ai/api/go?to=https%3A%2F%2Fwww.ebay.com%2Fsch%2Fi.html%3F_nkw%3DGame%2520Boy%2520Milon's%2520Secret%2520Castle%26mkcid%3D1%26mkrid%3D711-53200-19255-0%26siteid%3D0%26campid%3D5339166094%26toolid%3D10001%26mkevt%3D1%26customid%3Dmd-live&p=md-live) — what sellers are asking right now

eBay links are affiliate links: JunkPal may earn a commission at no cost to you.

## Details

| Field | Value |
| --- | --- |
| UPC / EAN | 039854000225 |
| Brand | Game |
| Platform | Game Boy |
| Genre | Action & Adventure |
| ESRB | Everyone |
| Release date | March 1, 1993 |

## Milon's Secret Castle (Game Boy) resale value

A loose copy of **Milon's Secret Castle** averages around $18. A complete-in-box (CIB) copy — game, box, and manual — runs about $133, and a factory-sealed copy commands $500.

### What drives the price

Condition is everything: a clean, unscratched label, an intact box without crushing, and the original manual can swing the value 30–50%. Test that the game works before you buy or sell.

## FAQ

**What is the going rate for a loose copy of Milon's Secret Castle?**

A loose copy of Milon's Secret Castle is currently valued at $18.

**How much is a sealed copy worth?**

Sealed copies of Milon's Secret Castle are highly sought after and sell for $500.

**Is the complete-in-box version worth more than loose?**

Yes, the complete-in-box version is valued at $133, significantly more than the loose copy price.

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Full price guide: https://junkpal.ai/products/milon-s-secret-castle-gameboy-price
How these values are computed: https://junkpal.ai/methodology
Cite as: "JunkPal price guide value as of 2026-07-25, based on real sold listings (junkpal.ai)"