Game guide · GODIEA
Read before your next round of 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. 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.
Build familiarity through play
Compare the worked example with your own position. Use the reasoning, not an answer copied from a different board. Keep the objective visible.
The purpose of your moves
Fill a 4×4 Latin square and satisfy every cage arithmetic target. Keep that objective in view throughout the round. Review the board or playing area as it changes.
From the start of a round
- 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.
Your inputs
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.
An example before you play
A two-cell 6× cage contains 2 and 3 in a 1–4 puzzle. Your next round may have a different position, so inspect it before acting. Read the matching step again.
A useful caution
A correct cage total does not permit duplicate digits in a row. A different version of the game may use a different rule. Before your first action, say what you are trying to achieve. Then compare the result with the goal.
Game-specific help
When I return, what is the goal of Calcudoku?
For clarity: Fill a 4×4 Latin square and satisfy every cage arithmetic target.
How do I control Calcudoku?
For clarity: Click or tap squares or graph edges. Number boards include a digit pad. Undo reverses the previous change; Check puzzle validates the solution.
What example helps explain Calcudoku?
Keep this in mind: A two-cell 6× cage contains 2 and 3 in a 1–4 puzzle.
While learning, what should I watch out for in Calcudoku?
A correct cage total does not permit duplicate digits in a row.
Before I begin, what format does Calcudoku offer?
The key detail is this: Twelve puzzles with addition, multiplication, subtraction and singleton cages.
Which play mode does Calcudoku use?
For clarity: The mode on this page is Solo. Same-device play uses one screen; this game library does not provide internet matchmaking.
Before I begin, where should I start with Calcudoku?
Keep this in mind: Select a square and enter 1–4.
For a quick reminder, 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.
While reading the Guide, 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?
For clarity: 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.