- Console
- Nintendo DS
- Released
- 2008
- Developer
- Big Fish Games
- Publisher
- Nintendo
- Genre
- adventure video game
- Players
- —
Mystery Case Files: MillionHeir
Loose: game only · CIB: original box and inserts · Sealed: unopened factory wrap
Average price · NTSC (North America)
$6.81
Last sold
$6.50
Aug 24, 2026
12-month change
+0.3%
● Live market price — last checked Sep 15, 2026 by the RetroPrice bot.
Price history
Monthly complete in box average in the NTSC (North America) market, last 12 months.