THE PLAYBOOK · ZZFYYD
The Calcudoku playbook
Read the aim of Calcudoku, then make your first move. Fill a 4×4 Latin square and satisfy every cage arithmetic target. Keep the game area visible while you use its controls. Check the rule that explains your first action. Look at what changes after your first action.
Twelve puzzles with addition, multiplication, subtraction and singleton cages.
Give this approach a try
Keep the stated aim separate from side details such as animation or appearance. Progress is measured by the game’s own completion or scoring rules. Keep the objective visible.
Your goal
Fill a 4×4 Latin square and satisfy every cage arithmetic target. Use the instructions to see which actions move you towards it. 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.
How to interact with the game
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. Check any mode label before starting.
See the idea in action
A two-cell 6× cage contains 2 and 3 in a 1–4 puzzle. Apply the same reasoning to the position in your own round. Keep the game’s format in mind.
Keep this in mind
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. 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
What is the goal of Calcudoku?
For clarity: Fill a 4×4 Latin square and satisfy every cage arithmetic target.
While reading the Guide, how do I control Calcudoku?
For clarity: 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?
Keep this in mind: A two-cell 6× cage contains 2 and 3 in a 1–4 puzzle.
For a quick reminder, what should I watch out for in Calcudoku?
Keep this in mind: A correct cage total does not permit duplicate digits in a row.
Before I begin, 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?
The key detail is this: The mode on this page is Solo. Same-device play uses one screen; this game library does not provide internet matchmaking.