Game guide · MXZTJ
Making your first moves in Calcudoku
Open Calcudoku, check the instructions and begin a round. Fill a 4×4 Latin square and satisfy every cage arithmetic target. Keep the game area visible while you use its controls. Choose a comfortable screen position before beginning. Use the example below to understand a decision.
Twelve puzzles with addition, multiplication, subtraction and singleton cages.
Bring this focus to a round
Before your first action, say what you are trying to achieve. Then compare the result with the goal. Keep the objective visible.
What you need to achieve
Fill a 4×4 Latin square and satisfy every cage arithmetic target. An attractive position is not enough unless the goal is met. Start with a deliberate move.
A walkthrough of the rules
- 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. Read a button’s label before selecting it. Use one clear input at a time.
See how the rules apply
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. Choose a deliberate next step.
A mistake to avoid
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. 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 my first round, what is the goal of Calcudoku?
The key detail is this: Fill a 4×4 Latin square and satisfy every cage arithmetic target.
For my first round, 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 this browser game, what example helps explain Calcudoku?
The key detail is this: A two-cell 6× cage contains 2 and 3 in a 1–4 puzzle.
For my first round, 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.
For a quick reminder, what format does Calcudoku offer?
The key detail is this: Twelve puzzles with addition, multiplication, subtraction and singleton cages.
As a new player, 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.
For this browser game, where should I start with Calcudoku?
Select a square and enter 1–4.
For my first round, do I need an account or a payment for Calcudoku?
Here is the relevant explanation: No player account or payment is needed. Game scores are recreational results, not cash prizes.
For my first round, 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.
On this playing page, how do I report an issue with Calcudoku?
The key detail is this: 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.
