THE PLAYBOOK · XH0411
How to play Shikaku
Use XH0411 to play Shikaku and read its instructions on the same page. Cover the board with non-overlapping rectangles, each containing one clue equal to its area. Follow the read the feedback approach for your next round.
Ten unique 5×5 rectangle-partition puzzles.
Read the feedback
Status messages explain the current state and rejected actions. Check them when an action does not behave as you expected.
Your goal
Cover the board with non-overlapping rectangles, each containing one clue equal to its area.
Step by step
- Choose a rectangle’s opposite corners.
- It must contain one clue and have the matching area.
- Click an existing rectangle to remove it.
- Cover every square to finish.
Controls
Click or tap squares or graph edges. Number boards include a digit pad. Undo reverses the previous change; Check puzzle validates the solution.
A useful example
A clue 6 may occupy a 2×3 rectangle when other clues allow it.
Watch out for this
No rectangle may contain two clues or overlap another.
Common questions
What is included in this edition?
Ten unique 5×5 rectangle-partition puzzles.
Which controls should I use?
Click or tap squares or graph edges. Number boards include a digit pad. Undo reverses the previous change; Check puzzle validates the solution.
Can you show a concrete example?
A clue 6 may occupy a 2×3 rectangle when other clues allow it.