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KJBANJIA

Solo · FREE PLAY

Calcudoku

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Logic & numbers
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Game guide · KJBANJIA

Learn the rules of 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. Keep the game area visible while you use its controls. 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.

A small practice goal

Read one step at a time and try it on the playing area. Match the instruction to the control you use. Keep the objective visible.

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. Check the rules when you are unsure.

Start here and follow along

  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.

Input guidance

Click or tap squares or graph edges. Number boards include a digit pad. Undo reverses the previous change; Check puzzle validates the solution. Use the control method described here for this activity. Use the visible help when you are unsure of the next input.

A closer look at one example

A two-cell 6× cage contains 2 and 3 in a 1–4 puzzle. Focus on why the action is allowed, not only its outcome. Consider the next action carefully.

Keep this in mind

A correct cage total does not permit duplicate digits in a row. Check the rule before repeating the action. Read one step at a time and try it on the playing area. Match the instruction to the control you use.

If you are unsure

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

The key detail is this: Fill a 4×4 Latin square and satisfy every cage arithmetic target.

While learning, 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.

As a new player, what example helps explain Calcudoku?

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

Before I begin, what should I watch out for in Calcudoku?

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

As a new player, what format does Calcudoku offer?

Here is the relevant explanation: Twelve puzzles with addition, multiplication, subtraction and singleton cages.

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

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

While reading the Guide, where should I start with Calcudoku?

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

As a new player, do I need an account or a payment for Calcudoku?

Keep this in mind: No player account or payment is needed. Game scores are recreational results, not cash prizes.

For my first round, 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 my first round, 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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