Walk down the stairs to the right
Walk up
(must have talked to Dr Schrader after solving Puzzle 021)
Pick up three hint coins
Look at the Laytonmobile
023 The Secret Number (US) / The Hidden Number (UK)
Hint 1
Hint 2
Hint 3
Super Hint
Solution
The secret number is 47
Progress
505 Picarats and 92 Hint Coins
022 X-ray Vision
This free video game walkthrough is for the Nintendo DS
Professor Layton and the Unwound Future Walkthrough
Professor Layton and the Lost Future Walkthrough
Professor Layton and the Unwound Future Walkthrough
Professor Layton and the Lost Future Walkthrough