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ZZOMYTHE EVERYDAY PLAY CLUB

RULES & PRACTICE

How to Play Calcudoku

Play Calcudoku ↗

THE PLAYBOOK · ZZOMY

Understand the basics of Calcudoku

Make Calcudoku your next activity in the game library. Fill a 4×4 Latin square and satisfy every cage arithmetic target. Use the example below to understand a decision. Use the opening round to become familiar with the layout. Look at what changes after your first action.

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

A focus for your next round

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

Your objective

Fill a 4×4 Latin square and satisfy every cage arithmetic target. The feedback beside the game helps you follow the round. Notice how the game responds to your input.

The order of 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.

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. Read a button’s label before selecting it. Look at the feedback after the action.

An example to follow

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. Notice the change in the playing area.

Where a round can go wrong

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. When a decision goes wrong, compare it with the common mistake described below. Start again only when you intend to leave the current round.

A few questions answered

While reading the Guide, what is the goal of Calcudoku?

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

While reading the Guide, how do I control Calcudoku?

Here is the relevant explanation: Click or tap squares or graph edges. Number boards include a digit pad. Undo reverses the previous change; Check puzzle validates the solution.

When I return, what example helps explain Calcudoku?

Here is the relevant explanation: A two-cell 6× cage contains 2 and 3 in a 1–4 puzzle.

While reading the Guide, what should I watch out for in Calcudoku?

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

While learning, 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?

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

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