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12530NET

Solo · FREE PLAY

Calcudoku

Read the rules ↓
Logic & numbers
Choose your controls and enjoy a free round.
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Game guide · 12530NET

Calcudoku: from controls to your first round

Use a short break to learn the rhythm of Calcudoku. 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.

One thing to notice as you play

Before your first action, say what you are trying to achieve. Then compare the result with the goal. Keep the objective visible.

Aim for this result

Fill a 4×4 Latin square and satisfy every cage arithmetic target. Keep that objective in view throughout the round. Keep the controls in easy reach.

Step by step

  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.

Making selections and moves

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. Check any mode label before starting.

See the idea in action

A two-cell 6× cage contains 2 and 3 in a 1–4 puzzle. Compare this with the rule that governs the move. Keep the game’s format in mind.

An important reminder

A correct cage total does not permit duplicate digits in a row. Compare the situation with the worked example. Read one step at a time and try it on the playing area. Match the instruction to the control you use.

Read these answers for extra help

While learning, what is the goal of Calcudoku?

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

While learning, 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.

For my first round, 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?

The key detail is this: A correct cage total does not permit duplicate digits in a row.

Before I begin, what format does Calcudoku offer?

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

When I return, 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.

For a quick reminder, where should I start with Calcudoku?

The key detail is this: 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.

As a new player, how can I find Calcudoku again?

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

While learning, how do I report an issue with Calcudoku?

Here is the relevant explanation: 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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