Is There a 39 Clues Game for Wii? No - Only DS, PC, Mobile Releases

No dedicated Wii game exists for The 39 Clues franchise.

Released 39 Clues Games

• The 39 Clues: The Maze of Bones (DS, PC, Mac, iOS, Android) – Adventure/puzzle following Book 1.
• The 39 Clues: The Phantom Tollbooth (DS) – Side-story adventure.
• Mobile versions of Maze of Bones (iOS/Android).

The series focused on books, website missions, and cards—not console games.