Game guide · SXSMQZJ
4x4 Sudoku: from controls to your first round
Start 4x4 Sudoku by looking at the playing area and its controls. Fill all cells with 1–4; do not repeat a symbol in any row, column or region. Use the example below to understand a decision. Keep the instructions close while learning this activity. Use the example below to understand a decision.
One thing to notice as you play
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.
What you need to achieve
Fill all cells with 1–4; do not repeat a symbol in any row, column or region. Keep that objective in view throughout the round. Check the rules when you are unsure.
The steps to play
- Select an empty cell. The original clues cannot be edited.
- Choose a symbol from the number pad, or type it on a keyboard.
- Turn Notes on to record candidate symbols without committing an answer.
- Use Check entries to check your filled values. Hint reveals one value from the verified solution.
- Complete the board, or choose New puzzle for another board.
Getting comfortable with the controls
Tap or click a cell and use the number pad. Keyboard: arrows select cells; digits (and A–G on 16×16) enter values; Backspace erases. Keep the playing area visible while using these controls. Use one clear input at a time.
An example to follow
On one puzzle in this collection, row 1, column 1 has 1 in its solution. Read the clues on your current board before using that value; another puzzle can need a different entry. Compare this with the rule that governs the move. Look for the relevant detail.
Notice this detail
Notes are reminders, not final entries. A full board only counts as complete when it satisfies every rule. Compare the situation with the worked example. Watch the feedback after an action. A message can explain whether the input was accepted or whether a rule needs attention.
Further help with the game
While reading the Guide, what is the goal of 4x4 Sudoku?
The key detail is this: Fill all cells with 1–4; do not repeat a symbol in any row, column or region.
Before I begin, how do I control 4x4 Sudoku?
Here is the relevant explanation: Tap or click a cell and use the number pad. Keyboard: arrows select cells; digits (and A–G on 16×16) enter values; Backspace erases.
For this browser game, what example helps explain 4x4 Sudoku?
The key detail is this: On one puzzle in this collection, row 1, column 1 has 1 in its solution. Read the clues on your current board before using that value; another puzzle can need a different entry.
For a quick reminder, what should I watch out for in 4x4 Sudoku?
Notes are reminders, not final entries. A full board only counts as complete when it satisfies every rule.
For this browser game, what format does 4x4 Sudoku offer?
Here is the relevant explanation: Play using the solo mode shown on this page. Read the controls before starting a new round.
For my first round, which play mode does 4x4 Sudoku use?
The mode on this page is Solo. Same-device play uses one screen; this game library does not provide internet matchmaking.
Before I begin, where should I start with 4x4 Sudoku?
For clarity: Select an empty cell. The original clues cannot be edited.
Before I begin, do I need an account or a payment for 4x4 Sudoku?
The key detail is this: No player account or payment is needed. Game scores are recreational results, not cash prizes.
While learning, how can I find 4x4 Sudoku again?
For clarity: Use the Games list or save this game page in your browser bookmarks. The Guide is linked from the playing page.
While reading the Guide, how do I report an issue with 4x4 Sudoku?
The key detail is this: Use the contact form and include the game name, browser, device and the actions that led to the issue. Do not send passwords or payment details.
