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SXLANJU

Solo · FREE PLAY

Calcudoku

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Logic & numbers
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Game guide · SXLANJU

Know the goal in Calcudoku

Try Calcudoku at your own pace and keep its objective in view. 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.

Build familiarity through play

When a decision goes wrong, compare it with the common mistake described below. Start again only when you intend to leave the current round. Refer to the controls when needed.

Aim for this result

Fill a 4×4 Latin square and satisfy every cage arithmetic target. An attractive position is not enough unless the goal is met. Notice how the game responds to your input.

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.

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. Read a button’s label before selecting it. A new-round button replaces the current round.

Learn from a sample situation

A two-cell 6× cage contains 2 and 3 in a 1–4 puzzle. Apply the same reasoning to the position in your own round. Read the matching step again.

An important reminder

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

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

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

Before I begin, 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.

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.

While learning, 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 my first round, what format does Calcudoku offer?

Keep this in mind: Twelve puzzles with addition, multiplication, subtraction and singleton cages.

For a quick reminder, which play mode does Calcudoku use?

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

For my first round, where should I start with Calcudoku?

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

While learning, 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.

When I return, 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.

When I return, how do I report an issue with Calcudoku?

For clarity: 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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