Game guide · ZHJW-TNY
Rules, controls and help for Calcudoku
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. Keep the game area visible while you use its controls.
Twelve puzzles with addition, multiplication, subtraction and singleton cages.
A focus for your next round
Keep the stated aim separate from side details such as animation or appearance. Progress is measured by the game’s own completion or scoring rules. Make the next step deliberately.
The challenge in front of you
Fill a 4×4 Latin square and satisfy every cage arithmetic target. Read that aim before choosing your first action. Notice how the game responds to your input.
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.
How to interact with the game
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. Check any mode label before starting.
Put the rules into context
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. Take a moment to compare.
Pay attention to this rule
A correct cage total does not permit duplicate digits in a row. Check the rule before repeating the action. Take enough time to read a new position. If a game has a timer, learn its controls first rather than searching for them during the round.
Read these answers for extra help
As a new player, what is the goal of Calcudoku?
Fill a 4×4 Latin square and satisfy every cage arithmetic target.
Before I begin, how do I control Calcudoku?
Keep this in mind: Click or tap squares or graph edges. Number boards include a digit pad. Undo reverses the previous change; Check puzzle validates the solution.
Before I begin, what example helps explain Calcudoku?
The key detail is this: 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?
Keep this in mind: A correct cage total does not permit duplicate digits in a row.
For this browser game, what format does Calcudoku offer?
Here is the relevant explanation: Twelve puzzles with addition, multiplication, subtraction and singleton cages.
On this playing page, 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.
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?
Keep this in mind: No player account or payment is needed. Game scores are recreational results, not cash prizes.
On this playing page, 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.
For my first round, how do I report an issue with Calcudoku?
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.