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Shikaku

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Logic & numbers
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THE PLAYBOOK · SHASHIGEDOU

Understand the basics of Shikaku

Choose a round of Shikaku and settle into its rules. Cover the board with non-overlapping rectangles, each containing one clue equal to its area. Choose a clear next step rather than rushing through the instructions. Read the objective before making your first input. Choose a clear next step rather than rushing through the instructions.

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

One thing to notice as you play

Take enough time to read a new position. If a game has a timer, learn its controls first rather than searching for them during the round. Notice the feedback after each input.

The goal to keep in mind

Cover the board with non-overlapping rectangles, each containing one clue equal to its area. Keep that objective in view throughout the round. Try to explain the aim in your own words.

From the start of a round

  1. Choose a rectangle’s opposite corners.
  2. It must contain one clue and have the matching area.
  3. Click an existing rectangle to remove it.
  4. Cover every square to finish.

How your actions work

Click or tap squares or graph edges. Number boards include a digit pad. Undo reverses the previous change; Check puzzle validates the solution. Read a button’s label before selecting it. Avoid pressing the same control repeatedly while a move is being processed.

Follow the 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. Read the matching step again.

Notice this detail

No rectangle may contain two clues or overlap another. A different version of the game may use a different rule. Before your first action, say what you are trying to achieve. Then compare the result with the goal.

Read these answers for extra help

For this browser game, what is the goal of Shikaku?

The key detail is this: Cover the board with non-overlapping rectangles, each containing one clue equal to its area.

For a quick reminder, 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.

Before I begin, what example helps explain Shikaku?

The key detail is this: A clue 6 may occupy a 2×3 rectangle when other clues allow it.

While reading the Guide, what should I watch out for in Shikaku?

No rectangle may contain two clues or overlap another.

For this browser game, 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.

Before I begin, 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.

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