Neo Sudoku: Classic & Color 🔥 Play Now — 3 Modes, Endless Puzzles ➔

Sudoku, but make it color.

Play free online sudoku with numbers, colors, or both at once. Neo Sudoku: Classic & Color keeps the logic you love — Classic, Chroma & Fusion modes, no download needed.

Play Now Explore Modes
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Three ways to solve

Same 9×9 logic underneath, a different feel on top

Classic

The original number grid

Chroma

Solve entirely with colors

Fusion

Numbers and colors, together

See it in action

Real gameplay across all three modes

Built for real solving

No clutter — just the things that make a puzzle session good

1
Zen Mode — solve at your own pace, no mistake limit
2
Light & Dark themes, easy on the eyes indoors or out
3
Notes, Undo and Rapid Fill for faster solving
4
Difficulty-aware hints that explain the technique
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100% offline — no account, no connection needed

How to play

Get solving in under a minute

1
Pick a mode — Classic, Chroma or Fusion
2
Choose a difficulty level to generate a fresh puzzle
3
Tap a cell, then tap a number or color to fill it in
4
Use Notes, Hints or Undo whenever you get stuck
5
Fill the grid so every row, column and box has no repeats

Frequently asked

Quick answers before you jump in

Yes, completely free. No account, no paywall — just open the link and play.

No. It runs right in your browser. An Android app is coming soon to Google Play for those who prefer it.

Yes, once the page has loaded once, you can keep solving puzzles without an internet connection.

Classic is the traditional 1-9 number grid. Chroma replaces numbers with colors. Fusion combines both in one puzzle.

Yes, it works in any mobile browser including Safari on iOS — no app store needed.