Create easily all the crosswords you want thanks to the admin interface, No Installation required, just upload the script and start using it right away (see documentation).

admin interface
Use different words and clues to test the game.
user: admin
password: abc

Configuring a game never was so easy, just include the <crossword> tag in your page (yes thats all).

Allow your user to download your crosswords as PDF. you can even sell access to this feature (who knows)