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JYDEJI

RULES & PRACTICE

How to Play Calcudoku

Play Calcudoku ↗

Game guide · JYDEJI

Making your first moves in Calcudoku

Use a short break to learn the rhythm of Calcudoku. Fill a 4×4 Latin square and satisfy every cage arithmetic target. Choose a clear next step rather than rushing through the instructions. Choose a comfortable screen position before beginning. Use the example below to understand a decision.

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

A focus for your next round

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. Refer to the controls when needed.

The challenge in front of you

Fill a 4×4 Latin square and satisfy every cage arithmetic target. Use the instructions to see which actions move you towards it. Review the board or playing area as it changes.

The playing sequence

  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.

How to use the controls

Click or tap squares or graph edges. Number boards include a digit pad. Undo reverses the previous change; Check puzzle validates the solution. On a smaller screen, keep the active part of the board within view. Return to the rules if the result is unexpected.

An example to follow

A two-cell 6× cage contains 2 and 3 in a 1–4 puzzle. Compare this with the rule that governs the move. Look for the relevant detail.

Pay attention to this rule

A correct cage total does not permit duplicate digits in a row. Check the rule before repeating the action. Before your first action, say what you are trying to achieve. Then compare the result with the goal.

A few questions answered

For this browser game, what is the goal of Calcudoku?

Here is the relevant explanation: Fill a 4×4 Latin square and satisfy every cage arithmetic target.

For my first round, how do I control Calcudoku?

Click or tap squares or graph edges. Number boards include a digit pad. Undo reverses the previous change; Check puzzle validates the solution.

On this playing page, what example helps explain Calcudoku?

The key detail is this: A two-cell 6× cage contains 2 and 3 in a 1–4 puzzle.

For this browser game, what should I watch out for in Calcudoku?

The key detail is this: A correct cage total does not permit duplicate digits in a row.

While learning, what format does Calcudoku offer?

Keep this in mind: 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.

As a new player, where should I start with Calcudoku?

The key detail is this: Select a square and enter 1–4.

For a quick reminder, do I need an account or a payment for Calcudoku?

For clarity: No player account or payment is needed. Game scores are recreational results, not cash prizes.

While learning, 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.

For this browser game, how do I report an issue with Calcudoku?

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.

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