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JSYRSD

Solo · FREE PLAY

Calcudoku

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Logic & numbers
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Game guide · JSYRSD

Follow the steps for Calcudoku

Start Calcudoku by looking at the playing area and its controls. 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.

Bring this focus to a round

Read one step at a time and try it on the playing area. Match the instruction to the control you use. Make the next step deliberately.

Your goal

Fill a 4×4 Latin square and satisfy every cage arithmetic target. An attractive position is not enough unless the goal is met. Try to explain the aim in your own words.

The steps to play

  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 your actions work

Click or tap squares or graph edges. Number boards include a digit pad. Undo reverses the previous change; Check puzzle validates the solution. Keep the playing area visible while using these controls. Check any mode label before starting.

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. Keep the game’s format in mind.

Pay attention to this rule

A correct cage total does not permit duplicate digits in a row. Read the feedback to see why an action did not have the expected result. 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.

A few questions answered

While reading the Guide, 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?

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.

Before I begin, 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 this browser game, what format does Calcudoku offer?

Keep this in mind: 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.

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

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

Before I begin, 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.

Before I begin, 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 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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