THE PLAYBOOK · ZEIZEIWAI
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. Keep the game area visible while you use its controls. Identify the playing area and the controls you need. Look at what changes after your first action.
Twelve puzzles with addition, multiplication, subtraction and singleton cages.
One thing to notice as you play
Locate the buttons and input area before beginning a long round. Use the on-screen labels to avoid an accidental restart. Make the next step deliberately.
Your objective
Fill a 4×4 Latin square and satisfy every cage arithmetic target. Use the instructions to see which actions move you towards it. Return to the instructions when a step is unclear.
The playing sequence
- 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.
Choosing and moving on screen
Click or tap squares or graph edges. Number boards include a digit pad. Undo reverses the previous change; Check puzzle validates the solution. A careful first action helps you become familiar with the layout. Contact us with the game and device if a control does not respond.
An example to follow
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. Notice the change in the playing area.
A useful caution
A correct cage total does not permit duplicate digits in a row. Compare the situation with the worked example. Locate the buttons and input area before beginning a long round. Use the on-screen labels to avoid an accidental restart.
If you are unsure
For my first round, what is the goal of Calcudoku?
Fill a 4×4 Latin square and satisfy every cage arithmetic target.
As a new player, 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 a quick reminder, what example helps explain Calcudoku?
Here is the relevant explanation: A two-cell 6× cage contains 2 and 3 in a 1–4 puzzle.
On this playing page, what should I watch out for in Calcudoku?
Keep this in mind: A correct cage total does not permit duplicate digits in a row.
While learning, what format does Calcudoku offer?
Keep this in mind: 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.
