Zen Jigsaw

"Zen Jigsaw, also known as Happy Pixel, is a free classic nonogram game where players discover hidden pixel-art pictures by coloring blocks using numbers as hints. Each puzzle is a pixel art with some blocks and colored numbers. The goal is to fill the correct square or rectangle with the color of the number, requiring thought about the shape and position of all blocks. Train your brain and enjoy the mystery of nonograms in this pleasant time-passer."