Game guide · JSYRSD
How to play Shikaku
Take a moment with Shikaku before moving to another game. Cover the board with non-overlapping rectangles, each containing one clue equal to its area. Check the relevant rule before repeating a move. Compare the starting position with the example in the Guide. Check the relevant rule before repeating a move.
Solve ten 5×5 rectangle puzzles. Each clue belongs to exactly one rectangle of the stated area.
Take a closer look while playing
Choose one rule to keep in mind for this round. Apply it consistently rather than guessing what another version might allow. Refer to the controls when needed.
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. Take a moment to understand the current position.
Work through the instructions
- 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 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. On a smaller screen, keep the active part of the board within view. Check any mode label before starting.
One way to understand the rules
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. Notice the change in the playing area.
One detail worth checking
No rectangle may contain two clues or overlap another. A different version of the game may use a different rule. Read one step at a time and try it on the playing area. Match the instruction to the control you use.
A few questions answered
What is the goal of Shikaku?
For clarity: Cover the board with non-overlapping rectangles, each containing one clue equal to its area.
Before I begin, 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 reading the Guide, what example helps explain Shikaku?
The key detail is this: A clue 6 may occupy a 2×3 rectangle when other clues allow it.
On this playing page, what should I watch out for in Shikaku?
For clarity: 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.
While learning, 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.
Where should I start with Shikaku?
Here is the relevant explanation: Choose a rectangle’s opposite corners.
For a quick reminder, do I need an account or a payment for Shikaku?
Here is the relevant explanation: No player account or payment is needed. Game scores are recreational results, not cash prizes.
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.
While learning, 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.
