Classic Sudoku.

Yet another Sudoku app, right? Well, not exactly.

Classic Sudoku free app is designed with mobile devices in mind. Small touch devices have limited control possibilities compared to desktop apps, so they need different features to let you stay productive.

With multiselection and intuitive Smart Notes mode features, the amount of clicks required to do the same work is reduced by up to 80%. Taking notes in your grid was never so easy and pleasant. Stay focus on your solving logic, instead of controlling the game.

Also all puzzles are guaranteed to be able to be solved with human strategies. No guessing is required at any point.

Main features:
✓ 5 difficulty grades, from very easy to expert puzzles.
✓ Multiselection lets you fill cells with notes much faster, with less clicks.
✓ Smart Notes mode - notes mode turns on and off automagically when needed.
✓ Unlimited games - app will automatically load more games when needed.
✓ Works offline - fair amount of games is preloaded, so you don't need internet connection all the time.
✓ Landscape orientation support
✓ Statistics

Other features:
✓ Highlighting same digits as selected
✓ Two modes of indicating errors - instant highlighting errors or indicating incorrect solution when the grid is filled with incorrectly.
✓ Gameplay history let you Undo as many moves as you need.
✓ Automatic saving, so you can come back to finish your puzzle later.
✓ Light and dark theme.
✓ Timer
✓ Highly customizable, so you can turn off any features you don't want.