Křížovkárna is a professional on-line service for creating crosswords, eight-question puzzles, sudoku and make-up puzzles. You can create puzzles with this app anytime and anywhere. The application offers users full control over the content (custom puzzles, expressions and appearance), including the possibility to export to print quality.

We offer a comprehensive service in supplying crosswords, eight-solvers and other puzzles, riddles and puzzles to newspapers, magazines and books. You can order individual crossword puzzles from us, as well as entire magazines and books of crosswords made to order. We produce crossword puzzles, octagrams for various periodicals.

We are involved in the creation of advertising crosswords, sudoku and kakuro. We offer and carry out commissions focused on the design and typesetting of advertising or product leaflets, logo designs, template designs for powerpoint presentations or templates for documents created for example in MS Word.

I offer crossword puzzles and other puzzles. Puzzle making including graphic works.

Interest group of crossword and puzzle solvers and creators organizes solving competitions and contests. We publish magazines with the theme of puzzles. Members of the association earn qualification points in competitions and can become holders of qualification classes (from third to master).

Publishing the Sphinx Crossword puzzle fortnightly and the semi-annual Sphinx magazine. The colourful magazines feature crosswords of all varieties including full-page ones, cartoon multi-puzzle puzzles and one-off and long-running competitions for cash and in-kind prizes.