It is a simple user-friendly crossword puzzle. You can use both arrow keys and mouse pointer to play this game.
On the depression of a box, you have to type an alphabet for that box using the keyboard. The alphabet typed would appear in RED color, if it is appropriate for that block otherwise it would appear in BLACK color.
If the block with a highlighted number is clicked then the corresponding question for that block is displayed on the top and bottom of the crossword.