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JNJPJZ

Solo · FREE PLAY

Calcudoku

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Logic & numbers
Choose your controls and enjoy a free round.
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Game guide · JNJPJZ

How to play Calcudoku

Take a moment with Calcudoku before moving to another game. 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. Choose a clear next step rather than rushing through the instructions.

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

Give this approach a try

Compare the worked example with your own position. Use the reasoning, not an answer copied from a different board. Make the next step deliberately.

What you need to achieve

Fill a 4×4 Latin square and satisfy every cage arithmetic target. Use the instructions to see which actions move you towards it. Start with a deliberate move.

A walkthrough of the rules

  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.

Using the playing area

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. A new-round button replaces the current round.

Put the rules into context

A two-cell 6× cage contains 2 and 3 in a 1–4 puzzle. Your next round may have a different position, so inspect it before acting. Keep the controls nearby.

Notice this detail

A correct cage total does not permit duplicate digits in a row. Read the feedback to see why an action did not have the expected result. Take enough time to read a new position. If a game has a timer, learn its controls first rather than searching for them during the round.

Helpful answers for players

On this playing page, what is the goal of Calcudoku?

Keep this in mind: Fill a 4×4 Latin square and satisfy every cage arithmetic target.

When I return, how do I control Calcudoku?

Here is the relevant explanation: 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.

While learning, what should I watch out for in Calcudoku?

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

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?

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.

For a quick reminder, where should I start with Calcudoku?

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

Before I begin, 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 reading the Guide, 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 a quick reminder, how do I report an issue with Calcudoku?

Here is the relevant explanation: 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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