The Castle box art for Sega Mark III
The Castle screenshot 3 for Sega Mark III
The Castle title screen for Sega Mark III
The Castle box art for Sega Mark III
The Castle logo for Sega Mark III
Sega Mark III system logo
Complete
$139.99
Loose $63.63
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The Castle

The Castle

(Sega Mark III - JP, Platformer)
Sega Mark III logo
Developed_By:
ASCII
Published_By:
SEGA
Released On:
01 Jan 1986
Also available on:
MSX
,
ZX Spectrum
The Castle is video game developed by ASCII and released for the SG-1000 in 1986. It is a port of an MSX game of the same name, and is largely identical due to the similar hardware between the two machines. Due to the decline of the SG-1000 and emergence of the Sega Master System, the game was not released in Europe or Australia like many other SG-1000 games. The game has a fairly standard plot of rescuing a princess from a castle, though the game itself was considered very large for the time. It also contains a map system similar to that of later Metroid and Castlevania games.
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Sega Mark III Platform Trends
JP Regional Pricing
Prices as of 09 Oct 2026
Typical $139.99–$139.99 (last 90 days)
2026AprMayJunJulAugSepOct050100150200250300350Complete: $139.99Loose: $63.63
New
Complete
Loose
Box
Manual
Smoothed
Log · Auto
Medians
Market activity: moderate · about 6 sales a year
Activity is a 12-month sales count. Dashed segments rest on two sales a year or fewer.

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