Entering Words
To enter a word, simply click on the square in which you want to begin typing. The color of the selected square will appear in yellow. The corresponding clue will be highlighted in a box, and the clue for any intersecting word will also appear in black.
To switch direction between Across and Down clues, simply click the clue directly in the puzzle or in the clue list on the right side of the crossword. 
Type the word you believe is the correct answer for the clue represented.
Browsing Clues
Use the two scroll bars to the right of the clues to scroll up and down the clues.
‘Restore’ Button
Clicking on this button will clear all the answers you have entered in this session, restoring the crossword to the initial version.
‘Check’ Button
Clicking on this button will show any squares containing incorrect letters.
‘Reveal Letter’ Button
Clicking on this button will insert the correct letter for the currently selected square.
‘Reveal Word’ Button
Clicking on this button will insert the correct answer for the currently selected clue.
‘Solution’ Button
Clicking on this button will display the complete crossword solution.