What is Sudoku Challenges?
Sudoku Challenges is a free puzzle game with christmas, classic and number elements that you can play online in your web browser on Gameziko. It needs no download, no install and no account. Sudoku Challenges is a logic-based, combinatorial number-placement puzzle.
How to play Sudoku Challenges
- Press "Play now" on the game screen. Sudoku Challenges loads inside the player; some games take up to 20 seconds and may show a short ad first.
- Tap a cell to select it.
- Tap a digit at the bottom row to fill it into the selected cell.
- Use eraser to clear the current cell.
- Tap the Note button to turn on the draft mode.
- Use hints wisely to reveal any cells.
- Use the full-screen button at the bottom right of the player for a bigger view, and press Esc to leave full screen.
Game details
| Category | Puzzle |
|---|---|
| Tags | christmas, classic, number |
| Controls | Touch (tap or swipe) |
| Screen | Landscape (1067 × 600) |
| Price | Free |
| Download or sign-up | Not needed |
| Distributed by | GameDistribution |
| Added to Gameziko | 30 September 2026 |
Description from the developer
Sudoku Challenges is a logic-based, combinatorial number-placement puzzle. The objective is to fill a 9 × 9 grid with digits so that each column, each row, and each of the nine 3 × 3 sub-grids that compose the grid (also called "boxes" or "blocks") contain all of the digits from 1 to 9. Each puzzle will start at a partially completed grid, which has a single solution.
Sudoku Challenges: frequently asked questions
Is Sudoku Challenges free to play?
Yes. Sudoku Challenges is free to play on Gameziko, with no download and no account needed. Like most free web games, it is funded by ads, so it may show a short ad before or between rounds.
What are the controls in Sudoku Challenges?
The developer's instructions for Sudoku Challenges say: "Tap a cell to select it. Tap a digit at the bottom row to fill it into the selected cell. Use eraser to clear the current cell. Tap the Note button to turn on the draft mode. Use hints wisely to reveal any cells."
Can I play Sudoku Challenges on a phone or tablet?
Yes. Sudoku Challenges supports touch controls, so it works in the browser on Android phones, iPhones and tablets as well as on a computer.
What games are similar to Sudoku Challenges?
If you like Sudoku Challenges, try Pixel Christmas, 2048 Balls and Sudoku - Pin.Games. They are puzzle games with similar themes, and you can find more in the Puzzle category on Gameziko.
Good to know
Sudoku Challenges is made by an independent developer and delivered by GameDistribution, so Gameziko cannot change the game or recover lost progress. Any progress the game saves is kept in your browser on this device. If the game does not start, wait up to 20 seconds, allow ads for gameziko.com and try again, or report the game.