THE PLAYBOOK · AHETV
How to play Shikaku
Start Shikaku by looking at the playing area and its controls. Cover the board with non-overlapping rectangles, each containing one clue equal to its area. Check the relevant rule before repeating a move. Choose a comfortable screen position before beginning. Check the relevant rule before repeating a move.
Solve ten 5×5 rectangle puzzles. Each clue belongs to exactly one rectangle of the stated area.
A careful first round
Before your first action, say what you are trying to achieve. Then compare the result with the goal. Notice the feedback after each input.
Your goal
Cover the board with non-overlapping rectangles, each containing one clue equal to its area. An attractive position is not enough unless the goal is met. Review the board or playing area as it changes.
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. Keep the playing area visible while using these controls. Make sure you are interacting with the game rather than the surrounding page.
A useful example
A clue 6 may occupy a 2×3 rectangle when other clues allow it. Use the example as a guide rather than a substitute for reading your board. Read the matching step again.
Watch out for this
No rectangle may contain two clues or overlap another. Compare the situation with the worked example. When a decision goes wrong, compare it with the common mistake described below. Start again only when you intend to leave the current round.
Common questions
Before I begin, what is the goal of Shikaku?
Here is the relevant explanation: Cover the board with non-overlapping rectangles, each containing one clue equal to its area.
While reading the Guide, how do I control Shikaku?
For clarity: Click or tap squares or graph edges. Number boards include a digit pad. Undo reverses the previous change; Check puzzle validates the solution.
While reading the Guide, what example helps explain Shikaku?
The key detail is this: A clue 6 may occupy a 2×3 rectangle when other clues allow it.
Before I begin, what should I watch out for in Shikaku?
The key detail is this: No rectangle may contain two clues or overlap another.
Before I begin, what format does Shikaku offer?
Here is the relevant explanation: Solve ten 5×5 rectangle puzzles. Each clue belongs to exactly one rectangle of the stated area.
On this playing page, which play mode does Shikaku use?
The key detail is this: The mode on this page is Solo. Same-device play uses one screen; this game library does not provide internet matchmaking.