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King Neptune's Adventure is an unlicensed sidescroller action game created for the Nintendo Entertainment System that was released in 1990 by Color Dreams. Players play as King Neptune, as they venture through ships, oceans and Atlantis.
Raw name
King Neptune's Adventure
UPC
096962810160
eBay EPID
170197761
Region
NTSC_U
King Neptune's Adventure NES price & price history
The average CIB price for King Neptune's Adventure (NES) was $284.95 30 days ago and is $284.95 now — unchanged. Real-market prices from eBay sold listings, updated daily — see the full price chart above.
Frequently asked questions
- How much is King Neptune's Adventure (NES) worth?
- King Neptune's Adventure for NES is worth $284.95 on average for a complete-in-box (CIB) copy, based on recent eBay sold listings.
- Is King Neptune's Adventure going up or down in price?
- The price has been stable at $284.95 over the past 30 days.
- How does the 100 Coins price compare to PriceCharting?
- PriceCharting publishes one price per condition for King Neptune's Adventure on Nintendo NES. 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 | 2026-04-10 | $284.95 | CIB | King Neptune's Adventure (Nintendo NES) Complete CIB - Tested - Authentic | |
| eBay | 2024-12-19 | $129.99 | Game Only | King Neptune's Adventure (Nintendo NES) Color Dreams video game cart only RARE | |
| eBay | 2024-11-23 | $145.00 | Game Only | King Neptune's Adventure (Nintendo NES) Color Dreams video game cart only RARE | |
| eBay | 2024-11-22 | $139.99 | Game Only | King Neptune's Adventure (Nintendo NES, 1990) Tested/Working - Cart Only - RARE! | |
| eBay | 2023-12-27 | $305.00 | Sealed | NES King Neptune's Adventure NINTENDO NES Complete NEW FACTORY SEALED | |
| eBay | 2023-10-16 | $149.50 | CIB | color dreams King Neptune's Adventure complete in box nintendo nes game | |
| eBay | 2023-07-03 | $225.00 | CIB | King Neptune’s Adventure Nintendo NES Complete in Box CIB Color Dreams BLUE Cart | |
| eBay | 2023-01-04 | $499.00 | CIB | King Neptune’s Adventure For NES Nintendo Complete In Box Near Mint Color Dreams | |
| eBay | 2022-09-11 | $220.69 | CIB | King Neptune's Adventure complete in box nintendo nes color dreams game | |
| eBay | 2022-08-29 | $346.46 | CIB | King Neptune’s Adventure (Nintendo) Nes complete cib (missing dust cover) |
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