THE PLAYBOOK · DAIKUANZ
The Shikaku playbook
Start Shikaku by looking at the playing area and its controls. Cover the board with non-overlapping rectangles, each containing one clue equal to its area. Choose a clear next step rather than rushing through the instructions. Check the rule that explains your first action. Choose a clear next step rather than rushing through the instructions.
Solve ten 5×5 rectangle puzzles. Each clue belongs to exactly one rectangle of the stated area.
Take a closer look while playing
After a move, check what changed. Decide which rule explains the new state before acting again. Notice the feedback after each input.
The purpose of your moves
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. Keep the controls in easy reach.
How a round unfolds
- 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. Read a button’s label before selecting it. Return to the rules if the result is unexpected.
Work through an example
A clue 6 may occupy a 2×3 rectangle when other clues allow it. Your next round may have a different position, so inspect it before acting. Notice the change in the playing area.
Where a round can go wrong
No rectangle may contain two clues or overlap another. A different version of the game may use a different rule. After a move, check what changed. Decide which rule explains the new state before acting again.
Clarifying the way this game works
Before I begin, 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.
As a new player, 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?
The key detail is this: A clue 6 may occupy a 2×3 rectangle when other clues allow it.
What should I watch out for in Shikaku?
Here is the relevant explanation: No rectangle may contain two clues or overlap another.
While reading the Guide, what format does Shikaku offer?
For clarity: Solve ten 5×5 rectangle puzzles. Each clue belongs to exactly one rectangle of the stated area.
For my first round, 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.