THE PLAYBOOK · YUNQITEA
An introduction to playing 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. Use the example below to understand a decision. Read the objective before making your first input. Look at what changes after your first action.
Twelve puzzles with addition, multiplication, subtraction and singleton cages.
Try a more deliberate round
After a move, check what changed. Decide which rule explains the new state before acting again. Use the example to check your reasoning.
The objective of a round
Fill a 4×4 Latin square and satisfy every cage arithmetic target. Keep that objective in view throughout the round. Check the rules when you are unsure.
The order of play
- Select a square and enter 1–4.
- Combine all cage digits using its shown operation.
- Subtraction uses the absolute difference.
- Check puzzle verifies the entire grid.
Controls
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. Use one clear input at a time.
Follow the 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. Verify the rule before continuing.
Keep this in mind
A correct cage total does not permit duplicate digits in a row. Take a moment to reassess the position before continuing. Compare the worked example with your own position. Use the reasoning, not an answer copied from a different board.
Answers about the rules and controls
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?
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.
On this playing page, what example helps explain Calcudoku?
A two-cell 6× cage contains 2 and 3 in a 1–4 puzzle.
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?
The key detail is this: Twelve puzzles with addition, multiplication, subtraction and singleton cages.
For my first round, which play mode does Calcudoku use?
The key detail is this: The mode on this page is Solo. Same-device play uses one screen; this game library does not provide internet matchmaking.
