Soduku Stone-strongest brain

Exercise logic calculation

Choose any level you like. Play easier levels to exercise your brain, logical thinking and memory, or try hard levels to give your mind a real workout. Our classic puzzle game has some features that make sudoku easier for you: hints, auto-check, and duplicates highlight. You can use them or complete the challenge without help – it's up to you! What's more, in our app each puzzle has one solution. You will find all you need whether you are playing your first sudoku, or you've progressed to expert difficulty.

Features

✓ Complete Daily Challenges and get unique trophies

✓ Challenge yourself figuring out your mistakes, or enable Auto-Check to see your mistakes as you go

✓ Turn on Pencil mode to make notes as on paper. Each time you fill in a cell, notes are automatically updated!

✓ Highlight duplicates to avoid repeating numbers in a row, column and block

✓ Hints can guide you through the points when you are stuck

More features

- Statistics. Track your progress for each difficulty level: analyze your best time and other achievements

- Unlimited Undos. Made a mistake? Just put it back quickly!

- Auto-save. If you leave a sudoku unfinished it will be saved. Continue playing anytime

- Highlighting of a row, column and box related to the selected cell

- Eraser. Get rid of all mistakes

Highlights

• More than 5,000 well-formed puzzles

• 9x9 grid

• 4 perfectly balanced levels of difficulty: easy, medium, hard, and expert

• Support both phones and tablets

• Portrait and landscape mode for tablets

• Simple and intuitive design

Train your brain anywhere, anytime!