Game guide · CTCPX
Follow the steps for 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. Choose a clear next step rather than rushing through the instructions. Compare the starting position with the example in the Guide. Look at what changes after your first action.
Solve ten 5×5 rectangle puzzles. Each clue belongs to exactly one rectangle of the stated area.
Practice with a purpose
Before your first action, say what you are trying to achieve. Then compare the result with the goal. 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. The feedback beside the game helps you follow the round. Notice how the game responds to your input.
A walkthrough of the rules
- 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.
Using the playing area
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.
One way to understand the rules
A clue 6 may occupy a 2×3 rectangle when other clues allow it. Apply the same reasoning to the position in your own round. Keep the game’s format in mind.
One detail worth checking
No rectangle may contain two clues or overlap another. Check the rule before repeating the action. Choose one rule to keep in mind for this round. Apply it consistently rather than guessing what another version might allow.
Questions that come up during play
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.
While learning, how do I control Shikaku?
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.
For my first round, what should I watch out for in Shikaku?
Here is the relevant explanation: No rectangle may contain two clues or overlap another.
On this playing page, what format does Shikaku offer?
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?
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.
Where should I start with Shikaku?
Keep this in mind: Choose a rectangle’s opposite corners.
Do I need an account or a payment for Shikaku?
No player account or payment is needed. Game scores are recreational results, not cash prizes.
For my first round, how can I find Shikaku again?
Keep this in mind: Use the Games list or save this game page in your browser bookmarks. The Guide is linked from the playing page.
How do I report an issue with Shikaku?
Keep this in mind: 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.