Game guide · DAIGOU168
The Shikaku playbook
Try Shikaku at your own pace and keep its objective in view. 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. Use the example below to understand a decision.
Solve ten 5×5 rectangle puzzles. Each clue belongs to exactly one rectangle of the stated area.
An idea for your next attempt
When a decision goes wrong, compare it with the common mistake described below. Start again only when you intend to leave the current round. Keep the objective visible.
Your goal
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.
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. Use the control method described here for this activity. Use the visible help when you are unsure of the next input.
Put the rules into context
A clue 6 may occupy a 2×3 rectangle when other clues allow it. Focus on why the action is allowed, not only its outcome. Look for the relevant detail.
One detail worth checking
No rectangle may contain two clues or overlap another. Check the rule before repeating the action. Watch the feedback after an action. A message can explain whether the input was accepted or whether a rule needs attention.
Further help with the game
On this playing page, what is the goal of Shikaku?
The key detail is this: Cover the board with non-overlapping rectangles, each containing one clue equal to its area.
Before I begin, how do I control Shikaku?
The key detail is this: Click or tap squares or graph edges. Number boards include a digit pad. Undo reverses the previous change; Check puzzle validates the solution.
When I return, what example helps explain Shikaku?
Keep this in mind: A clue 6 may occupy a 2×3 rectangle when other clues allow it.
Before I begin, what should I watch out for in Shikaku?
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.
On this playing page, 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.
Before I begin, where should I start with Shikaku?
Choose a rectangle’s opposite corners.
While learning, do I need an account or a payment for Shikaku?
The key detail is this: 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?
Here is the relevant explanation: 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?
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.