THE PLAYBOOK · CHENXIJIXIE
Know the goal in Calcudoku
Calcudoku gives you a focused activity to play in your browser. Fill a 4×4 Latin square and satisfy every cage arithmetic target. Check the relevant rule before repeating a move. Begin with the solo mode shown on the page. Check the relevant rule before repeating a move.
Twelve puzzles with addition, multiplication, subtraction and singleton cages.
Take a closer look while playing
Before your first action, say what you are trying to achieve. Then compare the result with the goal. Refer to the controls when needed.
The goal to keep in mind
Fill a 4×4 Latin square and satisfy every cage arithmetic target. Keep that objective in view throughout the round. Notice how the game responds to your input.
Making your moves
- 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. Contact us with the game and device if a control does not respond.
Learn from a sample situation
A two-cell 6× cage contains 2 and 3 in a 1–4 puzzle. Use the example as a guide rather than a substitute for reading your board. Keep the game’s format in mind.
An important reminder
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.
Questions that come up during play
For my first round, what is the goal of Calcudoku?
For clarity: Fill a 4×4 Latin square and satisfy every cage arithmetic target.
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.
While learning, what example helps explain Calcudoku?
Here is the relevant explanation: A two-cell 6× cage contains 2 and 3 in a 1–4 puzzle.
While learning, what should I watch out for in Calcudoku?
The key detail is this: A correct cage total does not permit duplicate digits in a row.
On this playing page, what format does Calcudoku offer?
Keep this in mind: Twelve puzzles with addition, multiplication, subtraction and singleton cages.
When I return, 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.