Mystery Case Files: MillionHeir DS box art

Nintendo DS · Adventure / Puzzle

Mystery Case Files: MillionHeir

SystemNintendo DS
Released2008
GenreAdventure, Puzzle
DeveloperBig Fish Games
PublisherNintendo
Players1–2 players
CommitmentWeekend project (Roughly 6–20 hours)
SeriesMystery Case Files
LegacyWell-known · legacy score 4

Released for the Nintendo DS in 2008, Mystery Case Files: MillionHeir is an adventure game developed by Big Fish Games and published by Nintendo. It blends adventure and puzzle elements.

It landed about 4 years into the DS's life. Other notable DS releases from 2008 include Pokémon Platinum, Professor Layton and the Curious Village and Sonic Chronicles: The Dark Brotherhood.

It is part of the Mystery Case Files series.

Mystery Case Files: MillionHeir supports up to 2 players, whether that means taking turns or going head-to-head.

Pick it if…

  • you want to get lost in a long quest
  • you have time for a weekend project (roughly 6–20 hours)
  • you have a friend to play against

Maybe skip it if…

  • you want fast action rather than puzzles and exploration

What playing Mystery Case Files: MillionHeir is like

Adventure games focus on exploration, story and puzzle-solving rather than combat. Progress comes from examining your surroundings, collecting items and figuring out how they fit together.

Tip for newcomers: Classic adventure games can be cryptic by modern standards. Take notes, try everything on everything, and save before risky choices.

Mystery Case Files: MillionHeir gameplay screenshot on DS
In-game screenshot (DS)

Mystery Case Files: MillionHeir cheats & codes

2 codes on file (Action Replay DS). Here are a few Action Replay DS codes to start with:

Hint 99912120754 000003E7
Time 9922120760 00000063

See all Mystery Case Files: MillionHeir cheats

Mystery Case Files: MillionHeir walkthroughs & guides

Stuck, or want to go deeper? These trusted sites have full walkthroughs, completion times and more for Mystery Case Files: MillionHeir.

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Playing DS games today

Many DS games rely on the touchscreen and stylus, so they play best on original hardware, a 3DS, or an emulator with mouse or touch input such as Rec0m88. The library is enormous, which makes a recommendation engine especially handy.

Mystery Case Files: MillionHeir FAQ

When did Mystery Case Files: MillionHeir come out on the DS?

Mystery Case Files: MillionHeir was released for the Nintendo DS in 2008.

Who made Mystery Case Files: MillionHeir?

It was developed by Big Fish Games and published by Nintendo.

Is Mystery Case Files: MillionHeir multiplayer?

Yes. Mystery Case Files: MillionHeir supports up to 2 players.

How long does Mystery Case Files: MillionHeir take to play?

As an adventure game, Mystery Case Files: MillionHeir typically falls into the "Weekend project" category: roughly 6–20 hours. Your time will vary with skill and how much you explore.

Read more about Mystery Case Files: MillionHeir on Wikipedia. Facts on this page are compiled from the open libretro database and Wikidata; "legacy score" reflects how widely a game is documented across Wikipedia's language editions. Spotted an error? Let us know.

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