THE PLAYBOOK · XINGYUANKC
Read before your next round of Calcudoku
Start Calcudoku by looking at the playing area and its controls. 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. Use the example below to understand a decision.
Twelve puzzles with addition, multiplication, subtraction and singleton cages.
Practice with a purpose
Watch the feedback after an action. A message can explain whether the input was accepted or whether a rule needs attention. Notice the feedback after each input.
The purpose of your moves
Fill a 4×4 Latin square and satisfy every cage arithmetic target. Read that aim before choosing your first action. Keep the controls in easy reach.
The steps to play
- 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. Read a button’s label before selecting it. Contact us with the game and device if a control does not respond.
See how the rules apply
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. Verify the rule before continuing.
A common point of confusion
A correct cage total does not permit duplicate digits in a row. Read the feedback to see why an action did not have the expected result. Watch the feedback after an action. A message can explain whether the input was accepted or whether a rule needs attention.
Questions that come up during play
While reading the Guide, 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?
Click or tap squares or graph edges. Number boards include a digit pad. Undo reverses the previous change; Check puzzle validates the solution.
On this playing page, what example helps explain Calcudoku?
The key detail is this: A two-cell 6× cage contains 2 and 3 in a 1–4 puzzle.
For this browser game, what should I watch out for in Calcudoku?
For clarity: A correct cage total does not permit duplicate digits in a row.
For a quick reminder, what format does Calcudoku offer?
Here is the relevant explanation: Twelve puzzles with addition, multiplication, subtraction and singleton cages.
Before I begin, 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.