SUDOKU PUZZLE GAME FOR ANDROID

Classic Sudoku.
A new reason to solve.

Play 9×9 Sudoku puzzles, build an ELO rating, and work through five difficulty levels. Notes, hints and clear stats help you see every step forward.

Free to install · Optional Premium subscription

Sudoku Challenger game board with a 9×9 puzzle, timer, notes, hint and number pad
9×9classic Sudoku grid
5difficulty levels
ELOrating and ranks
Light + darkthemes for your screen

BUILT FOR THE NEXT PUZZLE

Everything you need to keep solving

Start with a familiar Sudoku board. Stay for the challenge of improving your own rating and solve times.

Five ways to play

Choose Easy or Medium to start, then unlock Hard, Extreme and Grandmaster through wins or rank progress.

Tools for logical solving

Add pencil notes, erase entries and use hints when a number puzzle has you stuck. Pause and continue later.

A rating that moves

Your results affect your ELO rating. Follow your rank on the home screen and your rating history in your profile.

Progress you can read

See wins, win rate, solve times, streaks and results by difficulty in the Stats screen.

HOW IT WORKS

Your next Sudoku goal is always in view.

Pick a difficulty, fill the 9×9 grid and review your result. Winning three puzzles in a tier or reaching the required rank unlocks a tougher level. Your home screen shows how far you are from the next milestone.

Free play begins each puzzle with three lives and includes ten hints per day. Rewarded ads can offer extra help; Premium is optional.

Sudoku Challenger home screen showing ELO rating, rank progress and a Play button

SEE THE GAME

Real screens from Sudoku Challenger

Explore the puzzle board, difficulty picker, ELO progress, statistics and dark theme.

QUESTIONS

Good to know before you play

Is Sudoku Challenger free?

Yes. It is free to install and play. Optional rewarded ads provide extra help, and an optional Premium subscription removes ads and adds more lives and unlimited hints.

What difficulty levels are available?

Easy, Medium, Hard, Extreme and Grandmaster. You can start with Easy or Medium; tougher levels unlock through wins or ELO rank progress.

How does the ELO ranking work?

Game results change your ELO rating. The home screen shows your current rank and next goal; your profile shows rating history across games.

Can I use notes and hints?

Yes. Add pencil notes, erase entries and request hints on the Sudoku board. Free play includes ten hints per day.

READY FOR A NEW PUZZLE?

Make your next Sudoku solve count.

Get Sudoku Challenger