688 Attack Sub
R5
RarityUncommon+
48
FunMediocre
Market Value
Loose$10.21
CIB$15.40
New—
Based on recent market activity.Updated Oct 23, 2026
Market Value
Loose$10.21
CIB$15.40
New—
Based on recent market activity.Updated Oct 23, 2026
688 Attack Sub
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Current Market ValueLast updated Oct 23, 2026
Rarity
R5
Fun Factor
48
Value History
$18
$14
$10
$7
Apr 18
May 7
May 25
Jun 13
Jul 2
Jul 21
Aug 9
Aug 28
Sep 16
Oct 5
Today
Rarity Insight
R5: Uncommon+
Shows up less often than most games, so expect to watch for one.
Platform Rarity DistributionHow rarity works
Graded ReportBeta
No graded sales yet. The report will show once one sells.
Nerdy Rank
Not yet ranked
Genre
Fun Factor rank within this genre
#442
of 703
Rarity
Rarity rank among Sega Genesis games
#543
of 703
Value
Market value rank among Sega Genesis games
#527
of 703
Fun Factor
Fun Factor rank among Sega Genesis games
Nerdy Rank
Genre
Fun Factor rank within this genre
Not yet ranked
Rarity
Rarity rank among Sega Genesis games
#442
of 703
Value
Market value rank among Sega Genesis games
#543
of 703
Fun Factor
Fun Factor rank among Sega Genesis games
#527
of 703
Fun FactorWork in progress
Top 75% of Sega Genesis games
Fun Factor distribution across the Sega Genesis library
Below 50
48
50-59
60-69
70-79
80-89
90-100
Scores higher than 25% of Sega Genesis games.How it's scored
Game Details
688 Attack Sub is a game for the Sega Genesis, released in 1990, published by SEGA. A loose copy sells for around $10, and complete in box $15. We rate it R5 (Uncommon+), findable on Genesis with a little looking, with a Fun Factor of 48.
