Puzzles are problems or games that require ingenuity, logical reasoning, or lateral thinking to solve. They often involve the arrangement of pieces or the manipulation of objects according to certain rules or patterns. Puzzles can take many forms, including jigsaw puzzles, crossword puzzles, Sudoku, riddles, and strategy games. The challenge in puzzles lies in figuring out the solution, which may involve critical thinking, pattern recognition, or problem-solving skills. Puzzles are often designed for entertainment, mental stimulation, or educational purposes, and they can be enjoyed individually or in groups.