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ZZQHMY

RULES & PRACTICE

How to Play Calcudoku

Play Calcudoku ↗

Game guide · ZZQHMY

Follow the steps for Calcudoku

Make Calcudoku your next activity in the game library. Fill a 4×4 Latin square and satisfy every cage arithmetic target. Check the relevant rule before repeating a move. Choose a comfortable screen position before beginning. Use the example below to understand a decision.

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

Something to practise

Before your first action, say what you are trying to achieve. Then compare the result with the goal. Keep the objective visible.

The goal to keep in mind

Fill a 4×4 Latin square and satisfy every cage arithmetic target. Read that aim before choosing your first action. Review the board or playing area as it changes.

How to proceed

  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.

Input guidance

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.

A useful example

A two-cell 6× cage contains 2 and 3 in a 1–4 puzzle. Compare this with the rule that governs the move. Keep the game’s format in mind.

Keep this in mind

A correct cage total does not permit duplicate digits in a row. Check the rule before repeating the action. Keep the stated aim separate from side details such as animation or appearance. Progress is measured by the game’s own completion or scoring rules.

Answers about the rules and controls

For my first round, what is the goal of Calcudoku?

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

For a quick reminder, how do I control Calcudoku?

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 Calcudoku?

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

Before I begin, what should I watch out for in Calcudoku?

Keep this in mind: A correct cage total does not permit duplicate digits in a row.

For a quick reminder, what format does Calcudoku offer?

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

When I return, which play mode does Calcudoku use?

Keep this in mind: The mode on this page is Solo. Same-device play uses one screen; this game library does not provide internet matchmaking.

On this playing page, where should I start with Calcudoku?

Select a square and enter 1–4.

For my first round, do I need an account or a payment for Calcudoku?

The key detail is this: No player account or payment is needed. Game scores are recreational results, not cash prizes.

Before I begin, how can I find Calcudoku again?

Keep this in mind: Use the Games list or save this game page in your browser bookmarks. The Guide is linked from the playing page.

How do I report an issue with Calcudoku?

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.

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