THE PLAYBOOK · HTSIFA
How to play Calcudoku
Read the aim of Calcudoku, then make your first move. Fill a 4×4 Latin square and satisfy every cage arithmetic target. Use the example below to understand a decision. Make your first input carefully and watch the result. Choose a clear next step rather than rushing through the instructions.
Twelve puzzles with addition, multiplication, subtraction and singleton cages.
Build a steady rhythm
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. Use the example to check your reasoning.
Your goal
Fill a 4×4 Latin square and satisfy every cage arithmetic target. The feedback beside the game helps you follow the round. Start with a deliberate move.
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.
Controls
Click or tap squares or graph edges. Number boards include a digit pad. Undo reverses the previous change; Check puzzle validates the solution. On a smaller screen, keep the active part of the board within view. A new-round button replaces the current round.
A useful example
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. Keep the controls nearby.
Watch out for this
A correct cage total does not permit duplicate digits in a row. Take a moment to reassess the position before continuing. 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.
Common questions
As a new player, what is the goal of Calcudoku?
Here is the relevant explanation: Fill a 4×4 Latin square and satisfy every cage arithmetic target.
For a quick reminder, how do I control Calcudoku?
Here is the relevant explanation: 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?
The key detail is this: A two-cell 6× cage contains 2 and 3 in a 1–4 puzzle.
When I return, what should I watch out for in Calcudoku?
For clarity: A correct cage total does not permit duplicate digits in a row.
For my first round, what format does Calcudoku offer?
The key detail is this: 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.
