No time limits on puzzles allows players to take their time before answering or using an in-game 'hint coin.' Professor Layton and the Diabolical Box
125 - Forest Mushrooms - Professor Layton and Pandora's Box Guide - IGN
Professor Layton and the Diabolical Box Game Review
Layton: Diabolical Box in HD - Apps on Google Play
Professor Layton and the Diabolical Box Nintendo DS Complete CIB
Every Puzzle Has An Answer in Professor Layton and Pandora's Diabolical Box - The Something Awful Forums
Professor Layton: Diabolical Box HD for Mobile official promotional image - MobyGames
Professor Layton and the Diabolical Box Box Shot for DS - GameFAQs
Professor Layton and The Diabolical Box, New Item, Box, and Manual
Diabolical Box (Layton) Sticker for Sale by Cinderpelt09
Professor Layton and the Diabolical Box, Movie Reviews, Spokane, The Pacific Northwest Inlander
Professor Layton and the Diabolical Box/Walkthrough — StrategyWiki
Professor Layton and the Diabolical Box (2007)
Professor Layton and the Diabolical Box HD worldwide release confirmed by Level-5 - GameRevolution
Professor Layton and the Diabolical Box HD is now available for mobile devices – Destructoid
Professor Layton and the Diabolical Box - Wikipedia