Game guide · MINDONGYL
Calcudoku: instructions and practice
Open Calcudoku, check the instructions and begin a round. Fill a 4×4 Latin square and satisfy every cage arithmetic target. Look at what changes after your first action. 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.
Practice with a purpose
Read one step at a time and try it on the playing area. Match the instruction to the control you use. 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. Notice how the game responds to your input.
Step by step
- 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. Read the example below alongside these instructions.
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.
Check this before moving on
A correct cage total does not permit duplicate digits in a row. Take a moment to reassess the position before continuing. Read one step at a time and try it on the playing area. Match the instruction to the control you use.
More answers before you play
As a new player, what is the goal of Calcudoku?
For clarity: Fill a 4×4 Latin square and satisfy every cage arithmetic target.
Before I begin, 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 my first round, what example helps explain Calcudoku?
For clarity: 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?
For clarity: A correct cage total does not permit duplicate digits in a row.
While learning, what format does Calcudoku offer?
The key detail is this: Twelve puzzles with addition, multiplication, subtraction and singleton cages.
Before I begin, 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.
While learning, where should I start with Calcudoku?
For clarity: Select a square and enter 1–4.
While learning, 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.
For a quick reminder, 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 a quick reminder, 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.