The short-break edition / No. 01

Make room for a little curiosity.

A number to find, a word to change, a clue to untangle. No timer. Take the time you need.

Start here · Number square

What belongs in the empty cell?

Every row and every column contains each number from 1 to 4 exactly once.

123434122143432?

Reveal the answer

1. The bottom row already has 4, 3, and 2. The final column has 4, 2, and 3, so both checks agree.

Keep your pencil moving

Change one letter at a time in this short word ladder.

Use two clues to find where each book belongs.

A few practical ways to make your next deduction.