Kakurasu is a shading puzzle built on addition. Every square is worth its column number to its row and its row number to its column, and you shade squares until each row and column adds up to its target. New to it? Start with Kakurasu for beginners, or jump straight to the rules and play a puzzle right here.
Kakurasu
Topics
- Kakurasu TechniquesEvery Kakurasu technique on its own page, from free one-way targets to crossing lines, each with a worked example from a real puzzle.
Guides
- Kakurasu for Beginners: Start HereNew to Kakurasu? Follow this path: the rules, your first 5×5 puzzle, three techniques, a six-row warm-up with answers, and when to move up a size.
- Kakurasu Rules: How to Play (With Examples)Learn how to play Kakurasu in a few minutes: the three rules, a solved 4×4 example, the five targets that give themselves away, and a puzzle to try.
- How to Solve Kakurasu: 6 Techniques That WorkSix techniques that solve every Kakurasu, each with a diagram, then a full 5×5 puzzle solved step by step and a table of every combination to keep.
- Kakurasu Tips: 9 Tricks to Solve FasterNine quick Kakurasu tips: an opening sweep, the targets worth learning, the odd-and-even check, a mirror that halves the maths, and faster controls.
- 6 Kakurasu Mistakes That Break Your PuzzleStuck on a Kakurasu, or a target turned red? These six mistakes cause almost every broken puzzle. Here's how to spot each one, and how to recover.