Classic Nonogram is the best online puzzle game that allows you to solve nonograms for free. Improve your logic skills as you tackle dozens of puzzles in twelve difficulty modes. Pay close attention, as there is no undo option, and your mistakes cannot be corrected. Toggle between color and cross marks using the toggle below the grid. Start with 5x5 griddlers to train your skills, and then challenge yourself with larger and more difficult nonograms. This classic pen and paper puzzle game is highly popular among seniors, as it enhances quick thinking and concentration. If you enjoy brain-teasers, we recommend exploring our vast collection of free online board games and puzzles.