Griddlers, also known as nonograms or picross, are logic puzzles that use a grid to create a picture. Players fill in squares based on numerical clues provided for each row and column. The numbers indicate how many consecutive filled squares there are, helping to reveal a hidden image as the puzzle is solved. These puzzles can vary in size and difficulty, appealing to a wide range of skill levels. Griddlers are often found in puzzle books, newspapers, and online platforms, making them accessible for anyone looking to challenge their problem-solving abilities while enjoying a creative activity.