Medium-sized monthly magazine (26cm x 16.5cm) published at the beginning of each month.
It consists of 132 pages with 28 American, 16 cryptographic and 14 crossword puzzles of other types (Scandinavian – arithmetic – cellular – mosaic – chameleon). 37 diagrams and 21 pages with cartoons, intellectual exercises, etc. The solutions are published in the last pages of the same issue.
It is also available every two months in volumes that include two older issues.