Skip to content

Play Color Sudoku free online — a puzzle game that loads straight into the page. Think puzzle, math and sudoku — that is the shape of it. It works the same on desktop, tablet and phone, and your progress picks up where the game left it.

About Color Sudoku

Color Sudoku is a variation of the classic Sudoku game where instead of numbers, different colors are used to fill the grid. The game is played on a 9x9 grid, divided into 3x3 sub-grids. Each row, column, and sub-grid must contain all the colors exactly once. The objective of the game is the same as the traditional Sudoku game, which is to fill in the empty spaces in the grid with the nine different colors so that each row, column, and sub-grid contains all the colors exactly once. Playing Color Sudoku requires logical thinking and deduction skills, as you need to identify which colors can fit into the empty spaces based on the colors already placed in the grid. The game can be played at different levels of difficulty, with easy, medium, and hard puzzles available. Color Sudoku is a fun and challenging game that can be played alone or with friends. It is a great way to exercise your brain and improve your problem-solving skills while enjoying a colorful and visually appealing game.

How to play Color Sudoku

You can work the whole thing out by playing it. Load the game above and it fills the player in portrait. On a phone you can play one-handed; on desktop the frame stays centred so nothing is cropped. Take the first run as practice and the second one seriously.

Controls

InputAction
MouseSelect and drag pieces
Left clickConfirm a move

On mobile: Tap and swipe directly on the screen. The game is built for portrait, so you can play one-handed without rotating your phone.

Why it is worth playing

Color Sudoku is easy to start and harder to master, which is the balance the best browser games hit.

At a glance

  • Free to play with no account required
  • Runs in the browser — nothing to download or install
  • Portrait layout, comfortable one-handed on mobile
  • Keyboard and mouse on desktop, full touch support on mobile.
  • Puzzle gameplay — Slow down and solve it
  • Math gameplay — Mental arithmetic that does not feel like homework
  • Sudoku gameplay — Nine by nine, no guessing required
  • Added to our catalogue from a 2023 release

Frequently asked questions

Is Color Sudoku free to play?

Yes. Color Sudoku is completely free and runs in your browser. There is no purchase, no subscription and no account needed — open the page and play.

Do I need to download or install anything?

No. Color Sudoku is an HTML5 game that runs inside the page itself. There is nothing to install, no plugin and no launcher — it loads like any other web page.

Can I play Color Sudoku on my phone?

Yes. Tap and swipe directly on the screen. The game is built for portrait, so you can play one-handed without rotating your phone.

What are the controls for Color Sudoku?

Keyboard and mouse on desktop, full touch support on mobile. Mouse — select and drag pieces; Left click — confirm a move.

Can I play Color Sudoku fullscreen?

Yes. Use the fullscreen button in the top-right of the game player to expand it to the whole screen, and press Escape to come back out.

What kind of game is Color Sudoku?

Color Sudoku is a puzzle game built around puzzle, math and sudoku. If that is the sort of thing you enjoy, the related games further down the page are picked using the same tags.

More Puzzle you might like

See all →