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GYYSJZDTHE EVERYDAY PLAY CLUB

RULES & PRACTICE

How to Play Calcudoku

Play Calcudoku ↗

THE PLAYBOOK · GYYSJZD

Read before your next round of Calcudoku

Choose a round of Calcudoku and settle into its rules. Fill a 4×4 Latin square and satisfy every cage arithmetic target. Look at what changes after your first action. Identify the playing area and the controls you need. Keep the game area visible while you use its controls.

Twelve puzzles with addition, multiplication, subtraction and singleton cages.

Take a closer look while playing

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.

The purpose of your moves

Fill a 4×4 Latin square and satisfy every cage arithmetic target. The feedback beside the game helps you follow the round. Start with a deliberate move.

Making your moves

  1. Select a square and enter 1–4.
  2. Combine all cage digits using its shown operation.
  3. Subtraction uses the absolute difference.
  4. Check puzzle verifies the entire grid.

Choosing and moving on screen

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.

An example to follow

A two-cell 6× cage contains 2 and 3 in a 1–4 puzzle. Focus on why the action is allowed, not only its outcome. Keep the controls nearby.

Notice this detail

A correct cage total does not permit duplicate digits in a row. Compare the situation with the worked example. Before your first action, say what you are trying to achieve. Then compare the result with the goal.

Clarifying the way this game works

When I return, what is the goal of Calcudoku?

For clarity: Fill a 4×4 Latin square and satisfy every cage arithmetic target.

Before I begin, how do I control Calcudoku?

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.

What example helps explain Calcudoku?

A two-cell 6× cage contains 2 and 3 in a 1–4 puzzle.

For my first round, what should I watch out for in Calcudoku?

For clarity: A correct cage total does not permit duplicate digits in a row.

On this playing page, what format does Calcudoku offer?

The key detail is this: Twelve puzzles with addition, multiplication, subtraction and singleton cages.

On this playing page, which play mode does Calcudoku 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.

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