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Games / Puzzle / Ninegrid

Ninegrid

Fill the grid. Every number once.

Puzzlelogicnumbers
Play Ninegrid Leaderboard

Free, no download. Works on phones, tablets and desktops. Log in to save your scores.

About Ninegrid

A fresh Sudoku every run, built so it has exactly one solution. Fill each row, column and 3 by 3 box with 1 to 9.

Correct numbers score points, a wrong number costs 15 seconds, and finishing early adds a time bonus. Notes mode lets you pencil in candidates.

It is a classic with a clock.

Screenshots

Ninegrid screenshot 1 Ninegrid screenshot 2 Ninegrid screenshot 3

How to play

A fresh Sudoku every run, built so it has exactly one solution. Fill each row, column and 3 by 3 box with 1 to 9. Correct numbers score points, a wrong number costs 15 seconds, and finishing early adds a time bonus. Notes mode lets you pencil in candidates.

Tap a cell, then tap a number. Keyboard: digits 1 to 9, arrow keys to move, Backspace to erase, N for notes, P or Esc to pause.

Levels and goals

A level is one solved Sudoku. Fill the grid correctly to finish it and get time back for the next one.

Tips

  • Fill the obvious singles first.
  • Use notes on stubborn cells.
  • A wrong guess costs 15 seconds. Do not guess.
  • Keyboard digits are the fastest input.

Features

  • Unique solutions
  • Notes mode
  • Time bonus
  • Keyboard support

Guide

Controls

Cells and numbersTap a cell, then tap a number.
NotesSwitch on Notes to pencil in candidates.

Scoring

Right numberScores points.
Wrong numberCosts 15 seconds.
FinishingSolve the grid before the clock ends for a time bonus.

Top scores

All leaderboards
  1. No scores yet. Be the first.

Details

Genre
Sudoku
Typical session
5 to 15 minutes
Controls
Tap or keyboard
Scoring
Score in points, ranked on the leaderboard
Added
2026-11-07
Price
Free, no ads
Made by
Hamelton Software

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