Shikaku

THE PLAYBOOK · 51XIONGFEI

How to play Shikaku

Use a short break to learn the rhythm of Shikaku. Cover the board with non-overlapping rectangles, each containing one clue equal to its area. Check the relevant rule before repeating a move. Check the rule that explains your first action. Use the example below to understand a decision.

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. Use the example to check your reasoning.

Your goal

Cover the board with non-overlapping rectangles, each containing one clue equal to its area. The feedback beside the game helps you follow the round. Take a moment to understand the current position.

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. Read a button’s label before selecting it. 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. Your next round may have a different position, so inspect it before acting. Check the stated objective.

Watch out for this

No rectangle may contain two clues or overlap another. Read the feedback to see why an action did not have the expected result. Choose one rule to keep in mind for this round. Apply it consistently rather than guessing what another version might allow.

Common questions

For my first round, what is the goal of Shikaku?

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

For a quick reminder, how do I control Shikaku?

Here is the relevant explanation: Click or tap squares or graph edges. Number boards include a digit pad. Undo reverses the previous change; Check puzzle validates the solution.

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

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

As a new player, what format does Shikaku offer?

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

For a quick reminder, which play mode does Shikaku use?

Here is the relevant explanation: The mode on this page is Solo. Same-device play uses one screen; this game library does not provide internet matchmaking.