Hidden in Plain Sight (Plus Key in the UK version) is a puzzle in Professor Layton and the Unwound Future. The puzzle must be solved in order to progress the story.


US Version

The orange plus sign shown in the top left corner below is hidden somewhere in the green grid.

It's the exactly same size and shape. Can you find it?

Draw lines around it with your stylus and then tap Submit.

UK Version

The plus sign displayed in the top-left is hidden somewhere in this pattern. Can you find it?

It's exactly the same shape and size. Draw a line around it.


Click a Tab to reveal the Hint.

The shape is hidden in plain sight.

It can be hard to find because of the contrasting patterns, but it's definitely there. Look very closely.

The lines can be very distracting and help to hide the shape you're looking for. Try using the Memo function to draw several plus signs here and there, and see if it helps reveal anything.

Pay close attention to the upper section. The shape is hiding in there somewhere.

The plus sign is hidden in the upper-right corner.



Too bad!

Take a closer look, and try again.


US Version

A plus!

It seems easy once you see it, but a lot of people have a hard time finding it.

UK Version

That's right!

It should be easy, but people seem to have a hard time solving this one.

The human eye can be surprisingly unreliable.


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