Professor Layton And The Lost Future Nintendo DS Cheats

Top Secret menu options Successfully complete the indicated task to unlock the corresponding option at the "Top Secret" menu:

Additional Character Profiles: Solve all 168 puzzles.
Character Profiles: Collect 4,200 Picarats.
Character Voices: Collect 5,000 Picarats.
Game Music: Collect 4,700 Picarats.
Movies: Collect 5,200 Picarats.
Story Art: Collect 4,500 Picarats.

Layton's Challenges puzzles Successfully complete the indicated task to unlock the corresponding Layton Challenge in the "Bonuses" menu:

The Hotelier's House: Successfully complete all ten toy car courses.
The Messenger's House: Successfully complete all twelve parrot delivery errands.
The Puzzle Keeper's House: Successfully complete 165 puzzles.
The Storyteller's House: Successfully complete all three picture books.
The Time Traveler's House: Successfully complete the game.

The Diabolical Box Reopened puzzle Successfully complete Professor Layton And The Diabolical Box to get a system-specific code. Enter the "Top Secret" menu in Professor Layton And The Unwound Future, select the "Hidden Door" option, and enter the code.