Diagramless Crossword Puzzles
Introduction to Diagramless Crosswords
This tutorial includes a sample puzzle by Patrick Jordan.
Preponderance of Puzzles
From Mike Pieja, a diagramless crossword. In this 15x15 grid, you have to figure out where the black squares are in the diagram of the puzzle. Other puzzles and riddles included.
Crucigramas 'Once contra Once'
From Spain, two puzzles (one diagramless, the other asymmetrical) with soccer themes. Print.