Find the words in the crossword where each letter of the alphabet has been substituted for a number between 1 and 26. There are no clues but one word has been filled in to help you on your way.

Tap a cell and then all cells with that number will be highlighted. Then tap the letter you think belongs to those cells. If you are stuck, the "Hint" button will fill in the letter that belongs in the currently highlighted cells.

One new puzzle is available each day.