Don't allow diagonal words.
By default, words may be placed diagonally.
Check this option to allow only horizontal or vertical words.
Don't allow backwards words.
By default, words may be placed reading right-to-left.
Check this option to allow only left-to-right words.
Don't allow intersecting words.
By default, words may share letters.
Check this option to have selfish words that don't share letters.
This produces very simple puzzles.
Email address is required but will not be made public. It is used as your unique ID,
not as an email address, so you do not have to give your real email.
Website is optional. If you do not have one, leave it blank.