Game guide · CXCWGS
A practical guide to Shikaku
Read the aim of Shikaku, then make your first move. 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.
Try a more deliberate round
When a decision goes wrong, compare it with the common mistake described below. Start again only when you intend to leave the current round. Notice the feedback after each input.
The challenge in front of you
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. Review the board or playing area as it changes.
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.
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. Use the control method described here for this activity. Use one clear input at a time.
Learn from a sample situation
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.
Keep this in mind
No rectangle may contain two clues or overlap another. Read the feedback to see why an action did not have the expected result. Watch the feedback after an action. A message can explain whether the input was accepted or whether a rule needs attention.
Game-specific help
Before I begin, what is the goal of Shikaku?
Here is the relevant explanation: Cover the board with non-overlapping rectangles, each containing one clue equal to its area.
For a quick reminder, 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?
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?
Keep this in mind: No rectangle may contain two clues or overlap another.
For a quick reminder, what format does Shikaku offer?
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?
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.
Before I begin, where should I start with Shikaku?
Keep this in mind: Choose a rectangle’s opposite corners.
While reading the Guide, 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.
While learning, how can I find Shikaku again?
The key detail is this: 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?
The key detail is this: 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.
