This page contains Layton Kyouju To Saigo No Jikan Ryokou Unlockables for Nintendo DS called "The Diabolical Box Reopened puzzle" and has been posted or updated on Sep 21, 2010 by warious13. Let us know what you think of this Unlockable by thumbs voting.
The Diabolical Box Reopened puzzle
You have to finish Professor Layton And The Diabolical Box to receive a system-specific code. Enter the "Top Secret" screen in Professor Layton And The Unwound Future and select the "Hidden Door" option and enter the code.
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