King Neptune's Adventure
R8
RarityEpic
46
FunMediocre
Market Value
Loose$142.63
CIB$284.95
New—
Based on recent market activity.Updated Oct 23, 2026
Market Value
Loose$142.63
CIB$284.95
New—
Based on recent market activity.Updated Oct 23, 2026
King Neptune's Adventure
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Current Market ValueLast updated Oct 23, 2026
Rarity
R8
Fun Factor
46
Value History
$452
$332
$211
$91
Apr 9
Apr 28
May 18
Jun 7
Jun 27
Jul 16
Aug 5
Aug 25
Sep 14
Oct 4
Today
Rarity Insight
Graded ReportBeta
No graded sales yet. The report will show once one sells.
Nerdy Rank
#134
of 201
Genre
Fun Factor rank within this genre
#20
of 765
Rarity
Rarity rank among Nintendo NES games
#58
of 765
Value
Market value rank among Nintendo NES games
#614
of 765
Fun Factor
Fun Factor rank among Nintendo NES games
Nerdy Rank
Action & Adventure
Fun Factor rank within this genre
#134
of 201
Rarity
Rarity rank among Nintendo NES games
#20
of 765
Value
Market value rank among Nintendo NES games
#58
of 765
Fun Factor
Fun Factor rank among Nintendo NES games
#614
of 765
Fun FactorWork in progress
Top 81% of Nintendo NES games
Fun Factor distribution across the Nintendo NES library
Below 50
46
50-59
60-69
70-79
80-89
90-100
Scores higher than 19% of Nintendo NES games.How it's scored
Game 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 $142, and complete in box $284. We rate it R8 (Epic), a scarce NES title that does not turn up often, with a Fun Factor of 46.
