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Arrow Flow is a puzzle in Professor Layton and the Unwound Future. The puzzle must be solved in order to progress the story.

Puzzle

US Version

How to Open

"Start from a button, and follow the arrows from one button to the next. Find the one button that will lead you through all the other buttons on the panel!"

Can you figure out which button leads to all the rest? Tap to mark it!

UK Version

How to open:

"Start from a button and follow the arrows from one button to the next. Find the only button that will lead you through all the other buttons on the panel!"

Can you work out which button leads through all the rest?

Touch the button to mark it!

Hints




Click a Tab to reveal the Hint.

US Version

Instead of looking for the starting button, try looking for the end button and working backward. Keep in mind that the arrow on the end button won't point to any other button.

UK Version

Instead of looking for the starting button, try looking for the end button and work backwards. Bear in mind that the arrow on the end button won't point to any other button.

US Version

The end button doesn't point to any other button, so it must be a button on the outer edge that points outward. Once you've found the end point, you can work your way backward to find the start!

UK Version

The end button doesn't point to any other button, so it must be a button on the edge that points outwards. Once you've found the end point, you can work your way backwards to find the starting button!

US Version

The end point is the button in the upper-right corner. Work backward from there to find the start!

UK Version

The end point is the button in the top-right corner. Work backwards from there to find the start!

US Version

The starting button isn't pointed to by any button. Can you figure it? That's your answer!

UK Version

The starting button isn't pointed at any other button. Can you find it? That's your answer!


Solution

Incorrect

Too bad!

US Version

The answer shouldn't be too difficult once you understand the solution conditions. Give it another try!

UK Version

The answer shouldn't be too difficult once you understand the conditions of the puzzle. Give it another try!

Correct

US Version

Yes, siree!

Did you find the final button that doesn't point to any other button and work backward from there?

Also, the starting button isn't pointed to by any button, so that's another way to solve this puzzle.

UK Version

That's the one!

Did you find the button that doesn't point to any other button and work backwards from there?

The starting button isn't pointed at by any other button either, so that's another way to solve this puzzle.

UF121S

A big thanks to http://professorlayton3walkthrough.blogspot.com

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