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JXLGGC

Solo · FREE PLAY

Calcudoku

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Logic & numbers
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Game guide · JXLGGC

Understand the basics of Calcudoku

Start Calcudoku by looking at the playing area and its controls. 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.

Take a closer look while playing

Before your first action, say what you are trying to achieve. Then compare the result with the goal. Refer to the controls when needed.

The purpose of your moves

Fill a 4×4 Latin square and satisfy every cage arithmetic target. Read that aim before choosing your first action. Follow this game’s rules rather than another version’s.

How a round unfolds

  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.

Getting comfortable with 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. Keep the playing area visible while using these controls. Avoid pressing the same control repeatedly while a move is being processed.

A closer look at one example

A two-cell 6× cage contains 2 and 3 in a 1–4 puzzle. Use the example as a guide rather than a substitute for reading your board. Notice the change in the playing area.

Where a round can go wrong

A correct cage total does not permit duplicate digits in a row. Compare the situation with the worked example. 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.

A few questions answered

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

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

As a new player, how do I control Calcudoku?

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

Before I begin, 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 a quick reminder, 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.

For a quick reminder, what format does Calcudoku offer?

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

While reading the Guide, 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.

Where should I start with Calcudoku?

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

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

Here is the relevant explanation: 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?

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

While reading the Guide, 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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