Sentinel
R7
RarityVery Rare
55
FunAverage
Market Value
Loose$31.66
New—
Based on recent market activity.Updated Oct 23, 2026
Market Value
Loose$31.66
New—
Based on recent market activity.Updated Oct 23, 2026
Sentinel
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Current Market ValueLast updated Oct 23, 2026
Rarity
R7
Fun Factor
55
Value History
$87
$67
$47
$27
Jun 15
Jun 28
Jul 11
Jul 24
Aug 6
Aug 19
Sep 1
Sep 14
Sep 27
Oct 10
Today
Rarity Insight
R7: Very Rare
Seldom listed. Long stretches can pass without one.
Platform Rarity DistributionHow rarity works
Graded ReportBeta
No graded sales yet. The report will show once one sells.
Nerdy Rank
#156
of 351
Genre
Fun Factor rank within this genre
#59
of 424
Rarity
Rarity rank among Atari 2600 games
#79
of 424
Value
Market value rank among Atari 2600 games
#190
of 424
Fun Factor
Fun Factor rank among Atari 2600 games
Nerdy Rank
Action & Adventure
Fun Factor rank within this genre
#156
of 351
Rarity
Rarity rank among Atari 2600 games
#59
of 424
Value
Market value rank among Atari 2600 games
#79
of 424
Fun Factor
Fun Factor rank among Atari 2600 games
#190
of 424
Fun FactorWork in progress
Top 45% of Atari 2600 games
Fun Factor distribution across the Atari 2600 library
Below 50
50-59
55
60-69
70-79
80-89
90-100
Scores higher than 55% of Atari 2600 games.How it's scored
Game Details
Sentinel is an action & adventure game for the Atari 2600, released in 1990. A loose copy sells for around $31, and complete in box $82. We rate it R7 (Very Rare), a scarce Atari 2600 title that does not turn up often, with a Fun Factor of 55.
