Rarity Distribution
20%
Common
(R1–R2)
67%
Uncommon
(R3–R6)
12%
Rare
(R7–R8)
1%
Epic+
(R9–R10)
Rarity by Release Year
R1
R2
R3
R4
R5
R6
R7
R8
R9
R10
Games
1
5
10
20+
198619881990
Rarity is increasing
Games from 1990–1991 are 9.9× more likely to be R7+ than 1986–1987.
1990
marks the turning point where higher-rarity games became more common.
Fun Factor vs Rarity
Fun Factor
0255075100
High Fun
Common Games
Common Games
Low Fun
Common Games
Common Games
Low Fun
High Rarity
High Rarity
★ Sweet Spot
High Fun · High Rarity
High Fun · High Rarity
R1 (Common)R3R5R7R9 (Epic)
9.7%
High Fun (61+)
& Common (R1–R2)
& Common (R1–R2)
1.8%
Low Fun (40−)
& Common (R1–R2)
& Common (R1–R2)
3.5%
Low Fun (40−)
& Rare (R6–R9)
& Rare (R6–R9)
12.4%
High Fun (61+)
& Rare (R6–R9)
& Rare (R6–R9)
14
Games in the
Sweet Spot
Sweet Spot
Set Value Over Time
$7,047
$5,254
$3,460
$1,667
Apr 13
May 4
May 25
Jun 16
Jul 7
Today
$2.33K
Loose Set Value
$5.41K
CIB Set Value
Price Distribution
$50.48Average CIB
Price
Price
Price RangeGames
Under $102 (2%)
$10 - $5087 (77%)
$50 - $10014 (12%)
$100 - $5009 (8%)
$500+1 (1%)
Collector's Report
Key insights about the Sega Master SystemValue Concentration
The top 10 games hold 43% of Sega Master System's total value. A small group of titles carries most of the worth.
See the top games →Late Era Gold
Games released after 1990 are 9.9× more likely to reach R7+ rarity than early Sega Master System titles.
View recent rares →Hidden Gems
1 game combines a Fun Factor above 85 with R8+ rarity. A standout long-term collector pick.
View these games →The CIB Premium
A loose copy averages $22.84, and going complete costs 121% more. Completing every game instead of collecting loose adds $3,086 across the platform.
Browse the library →The Sweet Spot
14 games hit the sweet spot of high Fun Factor and above-average rarity. Your best picks for fun and long-term value.
Explore sweet spot →All values are estimates based on recent market data.