Nonogram
Use the number clues to fill the grid and reveal a hidden pixel picture.
Move the whole tower one disc at a time — bigger never sits on smaller.
Yes — Tower of Hanoi is completely free on BrainPlay. It runs in your browser with no download, no sign-up and no paywall.
Yes. Tower of Hanoi is touch-optimized and works on phones, tablets and desktops. Your best results are saved automatically on your device.
Tower of Hanoi primarily exercises planning and step-by-step reasoning. Short daily sessions are the most effective way to improve.