Puzzles are games, problems, or challenges designed to test ingenuity, knowledge, or problem-solving abilities. They often require the solver to assemble pieces, decipher clues, or think critically to arrive at a solution. Puzzles come in various forms, such as jigsaw puzzles, crossword puzzles, logic puzzles, and mechanical puzzles. Each type engages different cognitive skills and provides entertainment, education, or both. The core aspect of a puzzle is that it presents a challenge where the solution is not immediately apparent, requiring effort and thought to overcome. Puzzles can be solitary or collaborative activities and are enjoyed by people of all ages. They stimulate the mind, enhance critical thinking skills, and can improve memory and concentration.