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MGRENCAI

Solo · FREE PLAY

Calcudoku

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Logic & numbers
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Game guide · MGRENCAI

Learn your way around Calcudoku

Read the aim of Calcudoku, then make your first move. Fill a 4×4 Latin square and satisfy every cage arithmetic target. Use the example below to understand a decision. Choose a comfortable screen position before beginning. Keep the game area visible while you use its controls.

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

Build familiarity through play

Compare the worked example with your own position. Use the reasoning, not an answer copied from a different board. Use the example to check your reasoning.

Your objective

Fill a 4×4 Latin square and satisfy every cage arithmetic target. Read that aim before choosing your first action. Return to the instructions when a step is unclear.

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.

How to interact with the game

Click or tap squares or graph edges. Number boards include a digit pad. Undo reverses the previous change; Check puzzle validates the solution. A careful first action helps you become familiar with the layout. Look at the feedback after the action.

Learn from a sample situation

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. Keep the controls nearby.

A useful caution

A correct cage total does not permit duplicate digits in a row. A different version of the game may use a different rule. After a move, check what changed. Decide which rule explains the new state before acting again.

Questions about this game

For a quick reminder, what is the goal of Calcudoku?

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

Before I begin, 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.

What example helps explain Calcudoku?

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

For my first round, 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 my first round, what format does Calcudoku offer?

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

As a new player, which play mode does Calcudoku use?

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

When I return, where should I start with Calcudoku?

Keep this in mind: Select a square and enter 1–4.

While reading the Guide, 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.

For this browser game, 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.

On this playing page, how do I report an issue with Calcudoku?

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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