How to Play Shikaku

THE PLAYBOOK · ARTUTULE4D

Try Shikaku at your own pace and keep its objective in view. Cover the board with non-overlapping rectangles, each containing one clue equal to its area. Keep the game area visible while you use its controls. Begin with the solo mode shown on the page. Keep the game area visible while you use its controls.

Solve ten 5×5 rectangle puzzles. Each clue belongs to exactly one rectangle of the stated area.

Review a difficult moment

When a decision goes wrong, compare it with the common mistake described below. Start again only when you intend to leave the current round. 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. Try to explain the aim in your own words.

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. Use the control method described here for this activity. Return to the rules if the result is unexpected.

A useful example

A clue 6 may occupy a 2×3 rectangle when other clues allow it. Focus on why the action is allowed, not only its outcome. Keep the controls nearby.

Watch out for this

No rectangle may contain two clues or overlap another. Take a moment to reassess the position before continuing. Locate the buttons and input area before beginning a long round. Use the on-screen labels to avoid an accidental restart.

Common questions

What is the goal of Shikaku?

For clarity: Cover the board with non-overlapping rectangles, each containing one clue equal to its area.

When I return, how do I control Shikaku?

Keep this in mind: Click or tap squares or graph edges. Number boards include a digit pad. Undo reverses the previous change; Check puzzle validates the solution.

For my first round, what example helps explain Shikaku?

Here is the relevant explanation: A clue 6 may occupy a 2×3 rectangle when other clues allow it.

While learning, what should I watch out for in Shikaku?

The key detail is this: No rectangle may contain two clues or overlap another.

While reading the Guide, 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.

For my first round, which play mode does Shikaku use?

Keep this in mind: The mode on this page is Solo. Same-device play uses one screen; this game library does not provide internet matchmaking.