THE PLAYBOOK · QCYANGCHU
Killer Sudoku: how a round works
Make Killer Sudoku your next activity in the game library. Fill rows, columns and boxes with 1–9 once. Cage digits cannot repeat and must add to their clue. Keep the game area visible while you use its controls. Check the rule that explains your first action. Keep the game area visible while you use its controls.
This collection contains 8 puzzles. Progress is saved in this browser. The same puzzle can appear again; the collection is not labelled with calibrated difficulty levels.
Give this approach a try
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.
The objective of a round
Fill rows, columns and boxes with 1–9 once. Cage digits cannot repeat and must add to their clue. Keep that objective in view throughout the round. Try to explain the aim in your own words.
The steps to play
- Select an editable cell.
- Enter a value using the keypad or keyboard; Notes stores candidates.
- Read the region, cage, arrow or outside clues alongside the normal constraints.
- Check entries verifies the completed board; Undo reverses your last input.
- New puzzle selects another included puzzle.
How to use the controls
Click or tap cells and the digit pad. Use Notes, Undo and Reveal selected. Large boards scroll inside the game. Read a button’s label before selecting it. Avoid pressing the same control repeatedly while a move is being processed.
An example before you play
A two-cell cage labelled 3 holds 1 and 2; a one-cell cage fixes its own value. Apply the same reasoning to the position in your own round. Verify the rule before continuing.
Notice this detail
A full board must obey every extra rule. Reveal supplies assistance; it is not an earned deduction. Check the rule before repeating the action. Locate the buttons and input area before beginning a long round. Use the on-screen labels to avoid an accidental restart.
Helpful answers for players
For my first round, what is the goal of Killer Sudoku?
Here is the relevant explanation: Fill rows, columns and boxes with 1–9 once. Cage digits cannot repeat and must add to their clue.
While reading the Guide, how do I control Killer Sudoku?
Keep this in mind: Click or tap cells and the digit pad. Use Notes, Undo and Reveal selected. Large boards scroll inside the game.
While reading the Guide, what example helps explain Killer Sudoku?
For clarity: A two-cell cage labelled 3 holds 1 and 2; a one-cell cage fixes its own value.
While reading the Guide, what should I watch out for in Killer Sudoku?
The key detail is this: A full board must obey every extra rule. Reveal supplies assistance; it is not an earned deduction.
For a quick reminder, what format does Killer Sudoku offer?
The key detail is this: This collection contains 8 puzzles. Progress is saved in this browser. The same puzzle can appear again; the collection is not labelled with calibrated difficulty levels.
For a quick reminder, which play mode does Killer Sudoku 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.