Puzzle Guides

Learn rules and solving tips for classic logic puzzles — then play them in our apps.

How to Play Hashi (Bridges)

Hashiwokakero rules: connect numbered islands with one or two bridges until the map is fully linked.

Masyu pearl loop rules: white pearls turn, black pearls go straight.

Learn Slitherlink (Loop the Loop) rules and essential solving techniques for beginners.

Learn Nonogram / Picross number clues and how to reveal pixel art with logic.

Place tents next to trees using row/column counts — classic tents and trees logic rules.