King Neptune's Adventure
46
FunBelow Average
R8
RarityEpic
Market Value
Loose$132
Complete$285
New—
Based on recent market activityUpdated Sep 5, 2026
Market Value
Loose$132
Complete$285
New—
Based on recent market activityUpdated Sep 5, 2026
King Neptune's Adventure
RARITY
R8
Epic
Top 7% of Nintendo NES
FUNFUN FACTOR
46
Below Average
Top 81% of Nintendo NES
MARKET VALUEUpdated Sep 5, 2026
Apr 9
Apr 23
May 8
May 23
Jun 7
Jun 22
Jul 7
Jul 22
Aug 6
Aug 21
Today
Loose value historyBased on recent market activity
Listings
eBay links are affiliate links. We may earn a commission. Terms
Value History
$452
$332
$211
$91
Apr 9
Apr 23
May 8
May 23
Jun 7
Jun 22
Jul 7
Jul 22
Aug 6
Aug 21
Today
Rarity Insight
R8 on the rarity scale (R1 - R10)
We do not see these often, so finding the right one takes patience.
Platform Rarity DistributionHow rarity works
Nerdy Rank
Nerdy Rank
Ownership Breakdown
0Total Copies
Owned
Owned
ConditionCopiesPercent
Loose
00.0%Complete (CIB)
00.0%New / Sealed
00.0%Graded
00.0%Based on 0 collectors with this game in their collectionView My Collection
Graded Report
01
116788.599.29.49.69.810
2graded copies seen
Item Details
King Neptune's Adventure is an action & adventure game for the Nintendo NES, released in 1990, published by Color Dreams. A loose copy sells for around $132, and complete in box $285. We rate it R8 (Epic), a scarce NES title that does not turn up often, with a Fun Factor of 46.
