Game guide · XINLIANSHOP
Calcudoku: how a round works
Take a moment with Calcudoku before moving to another game. 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. Use the example below to understand a decision.
Twelve puzzles with addition, multiplication, subtraction and singleton cages.
Take a closer look while playing
When a decision goes wrong, compare it with the common mistake described below. Start again only when you intend to leave the current round. Notice the feedback after each input.
The purpose of your moves
Fill a 4×4 Latin square and satisfy every cage arithmetic target. Read that aim before choosing your first action. Review the board or playing area as it changes.
How to proceed
- 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.
Getting comfortable with the 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. Make sure you are interacting with the game rather than the surrounding page.
An example before you play
A two-cell 6× cage contains 2 and 3 in a 1–4 puzzle. Compare this with the rule that governs the move. 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. After a move, check what changed. Decide which rule explains the new state before acting again.
Questions that come up during play
When I return, what is the goal of Calcudoku?
The key detail is this: 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.
While reading the Guide, what example helps explain Calcudoku?
For clarity: 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?
For clarity: A correct cage total does not permit duplicate digits in a row.
When I return, what format does Calcudoku offer?
For clarity: Twelve puzzles with addition, multiplication, subtraction and singleton cages.
While learning, which play mode does Calcudoku use?
Here is the relevant explanation: The mode on this page is Solo. Same-device play uses one screen; this game library does not provide internet matchmaking.
As a new player, where should I start with Calcudoku?
For clarity: Select a square and enter 1–4.
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 learning, how can I find Calcudoku again?
For clarity: Use the Games list or save this game page in your browser bookmarks. The Guide is linked from the playing page.
For this browser game, how do I report an issue with Calcudoku?
Here is the relevant explanation: 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.