Game guide · GCROWNSPA
Your guide to Shikaku
Open Shikaku, check the instructions and begin a round. 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. 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.
Practice beyond the first move
Read one step at a time and try it on the playing area. Match the instruction to the control you use. Refer to the controls when needed.
What you are aiming for
Cover the board with non-overlapping rectangles, each containing one clue equal to its area. Use the instructions to see which actions move you towards it. The example below illustrates a decision.
Follow these playing steps
- 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. Keep the playing area visible while using these controls. 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. Verify the rule before continuing.
An important reminder
No rectangle may contain two clues or overlap another. Check the rule before repeating the action. When a decision goes wrong, compare it with the common mistake described below. Start again only when you intend to leave the current round.
Read these answers for extra help
As a new player, what is the goal of Shikaku?
For clarity: 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.
On this playing page, what example helps explain Shikaku?
Here is the relevant explanation: 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?
Keep this in mind: No rectangle may contain two clues or overlap another.
For this browser game, 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.
For this browser game, 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.
For a quick reminder, 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?
Keep this in mind: No player account or payment is needed. Game scores are recreational results, not cash prizes.
For a quick reminder, 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.
Before I begin, 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.