James 'Buster' Douglas Knockout Boxing
R9
RarityLegendary
45
FunMediocre
Market Value
Loose$330.52
CIB$993.55
New—
Based on recent market activity.Updated Oct 23, 2026
Market Value
Loose$330.52
CIB$993.55
New—
Based on recent market activity.Updated Oct 23, 2026
James 'Buster' Douglas Knockout Boxing
How it's done
We track every Sega Master System game sold on eBay to bring you the most accurate game prices around.
Want more info? Check out our FAQ.
Loading…
Current Market ValueLast updated Oct 23, 2026
Rarity
R9
Fun Factor
45
Listings
eBay links are affiliate links. We may earn a commission. Terms
Value History
$1,083
$790
$498
$205
Apr 11
May 1
May 20
Jun 9
Jun 28
Jul 18
Aug 6
Aug 26
Sep 14
Oct 4
Today
Rarity Insight
R9: Legendary
Extremely hard to find. You cannot plan around seeing one.
Platform Rarity DistributionHow rarity works
Graded ReportBeta
No graded sales yet. The report will show once one sells.
Nerdy Rank
Nerdy Rank
Sports
Fun Factor rank within this genre
#9
of 17
Rarity
Rarity rank among Sega Master System games
#1
of 112
Value
Market value rank among Sega Master System games
#1
of 112
Fun Factor
Fun Factor rank among Sega Master System games
#84
of 112
Fun FactorWork in progress
Top 75% of Sega Master System games
Fun Factor distribution across the Sega Master System library
Below 50
45
50-59
60-69
70-79
80-89
90-100
Scores higher than 25% of Sega Master System games.How it's scored
Game Details
James 'Buster' Douglas Knockout Boxing is a sports game for the Sega Master System, released in 1990. A loose copy sells for around $330, and complete in box $993. We rate it R9 (Legendary), one of the hardest Master System games to find, and copies surface rarely, with a Fun Factor of 45.
