Game guide · BJTENGYUE
An introduction to playing 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. Use the example below to understand a decision. Compare the starting position with the example in the Guide. 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.
Practice with a purpose
Compare the worked example with your own position. Use the reasoning, not an answer copied from a different board. 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. Start with a deliberate move.
The steps to play
- 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.
Getting comfortable with the 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. Use one clear input at a time.
An example to follow
A clue 6 may occupy a 2×3 rectangle when other clues allow it. Compare this with the rule that governs the move. Read the matching step again.
Check this before moving on
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.
Answers about the rules and controls
What is the goal of Shikaku?
Cover the board with non-overlapping rectangles, each containing one clue equal to its area.
For my first round, 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.
As a new player, what example helps explain Shikaku?
Keep this in mind: A clue 6 may occupy a 2×3 rectangle when other clues allow it.
When I return, what should I watch out for in Shikaku?
The key detail is this: No rectangle may contain two clues or overlap another.
For my first round, what format does Shikaku offer?
Keep this in mind: Solve ten 5×5 rectangle puzzles. Each clue belongs to exactly one rectangle of the stated area.
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.
On this playing page, where should I start with Shikaku?
Here is the relevant explanation: Choose a rectangle’s opposite corners.
When I return, do I need an account or a payment for Shikaku?
For clarity: No player account or payment is needed. Game scores are recreational results, not cash prizes.
How can I find Shikaku again?
For clarity: Use the Games list or save this game page in your browser bookmarks. The Guide is linked from the playing page.
On this playing page, how do I report an issue with Shikaku?
For clarity: Use the contact form and include the game name, browser, device and the actions that led to the issue. Do not send passwords or payment details.