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XBZJZX

Solo · FREE PLAY

Calcudoku

Read the rules ↓
Logic & numbers
Choose your controls and enjoy a free round.
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Game guide · XBZJZX

The essentials of playing Calcudoku

Read the aim of Calcudoku, then make your first move. 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

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. Use the example to check your reasoning.

The goal to keep in mind

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.

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.

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. Use the control method described here for this activity. Read the example below alongside these instructions.

Work through an 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. Keep the controls nearby.

An important reminder

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

Questions that come up during play

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

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

When I return, how do I control Calcudoku?

The key detail is this: 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.

When I return, what should I watch out for in Calcudoku?

Here is the relevant explanation: A correct cage total does not permit duplicate digits in a row.

When I return, what format does Calcudoku offer?

The key detail is this: Twelve puzzles with addition, multiplication, subtraction and singleton cages.

While reading the Guide, 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.

Before I begin, do I need an account or a payment for Calcudoku?

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?

The key detail is this: 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?

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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