Game guide · ITCGT
Shikaku: rules and examples
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. Look at what changes after your first action. 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.
Take a closer look while playing
Before your first action, say what you are trying to achieve. Then compare the result with the goal. Refer to the controls when needed.
The challenge in front of you
Cover the board with non-overlapping rectangles, each containing one clue equal to its area. Read that aim before choosing your first action. Follow this game’s rules rather than another version’s.
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.
How to use 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. Use the control method described here for this activity. Avoid pressing the same control repeatedly while a move is being processed.
Put the rules into context
A clue 6 may occupy a 2×3 rectangle when other clues allow it. Use the example as a guide rather than a substitute for reading your board. Keep the game’s format in mind.
An important reminder
No rectangle may contain two clues or overlap another. Take a moment to reassess the position before continuing. Read one step at a time and try it on the playing area. Match the instruction to the control you use.
Game-specific help
As a new player, what is the goal of Shikaku?
Keep this in mind: Cover the board with non-overlapping rectangles, each containing one clue equal to its area.
For this browser game, 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.
For a quick reminder, 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 reading the Guide, what should I watch out for in Shikaku?
For clarity: No rectangle may contain two clues or overlap another.
What format does Shikaku offer?
For clarity: Solve ten 5×5 rectangle puzzles. Each clue belongs to exactly one rectangle of the stated area.
When I return, which play mode does Shikaku use?
For clarity: 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?
The key detail is this: Choose a rectangle’s opposite corners.
On this playing page, do I need an account or a payment for Shikaku?
Keep this in mind: No player account or payment is needed. Game scores are recreational results, not cash prizes.
When I return, 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.
While reading the Guide, 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.
