THE PLAYBOOK · HNZKBY
Know the goal in Calcudoku
Bring your attention to one round of Calcudoku. Fill a 4×4 Latin square and satisfy every cage arithmetic target. Check the relevant rule before repeating a move. Treat the first round as a chance to learn the controls. Look at what changes after your first action.
Twelve puzzles with addition, multiplication, subtraction and singleton cages.
Practice beyond the first move
Read one step at a time and try it on the playing area. Match the instruction to the control you use. Use the example to check your reasoning.
Understand the aim
Fill a 4×4 Latin square and satisfy every cage arithmetic target. Keep that objective in view throughout the round. Try to explain the aim in your own words.
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.
Making selections and moves
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.
A useful example
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. Choose a deliberate next step.
One detail worth checking
A correct cage total does not permit duplicate digits in a row. Check the rule before repeating the action. Read one step at a time and try it on the playing area. Match the instruction to the control you use.
A few questions answered
For my first round, what is the goal of Calcudoku?
Keep this in mind: Fill a 4×4 Latin square and satisfy every cage arithmetic target.
For this browser game, 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.
For a quick reminder, what example helps explain Calcudoku?
The key detail is this: A two-cell 6× cage contains 2 and 3 in a 1–4 puzzle.
Before I begin, what should I watch out for in Calcudoku?
Here is the relevant explanation: 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.
While learning, 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.