Number puzzles are brain-teasing games that challenge players to solve problems using numbers. They can take various forms, such as Sudoku, crossword puzzles with numbers, or math riddles. These puzzles often require logical thinking, pattern recognition, and basic arithmetic skills to find the correct solutions. Many number puzzles are designed for different skill levels, making them accessible to both children and adults. They can be found in books, online platforms, and mobile apps, providing entertainment and mental exercise. Engaging with number puzzles can help improve problem-solving abilities and enhance cognitive skills.