For many years, you have heard about puzzles such as CrossWord, WordSearch, Trivia, WordFit, Maze, and Sudoku. These CrossNumber puzzles differ from the usual types of crossword puzzles, acrostics, cryptograms, and logic puzzles. They are based on elementary mathematics and logic. To be successful in solving them, you should use your logic and wits, not your luck! These puzzles can be easily translated into other languages, as their composition is based only on numbers. They offer opportunities for newspapers, magazines, periodicals, puzzle clubs, and other organizations that are looking for puzzles to enhance their popularity.