Sudoku Plus 4+

Hi everyone! Try our famous puzzle sudoku. You can warm up on a 4x4 puzzle, and then solve the classic one - 9x9. Smartest and most persistent of you could try yourself in solving hardest - 16x16 size!

All our puzzles have only one solution, which reduces the chances of randomly guessing the solution, and you will have to rely only on your analytical skills.

Features:
- Lightweight application optimized even for weak devices, which has a positive effect on battery saving.
- 4 difficulty levels for all sizes of Sudoku.
- Number-First input mode is available. Tap and hold a number to lock it and use for multiple cells.
- Draft mode. Take interactive notes to help you apply advanced solution strategies.
- Special button to delete irrelevant numbers from draft.
- Autosave. You can exit the game at any time, progress will be saved.
- Ability to disable hints.
- The possibility of unlimited cancellations.
- Four color themes.
- Landscape screen support.
- Ability to disable display of replays in a row, column or block.
- Ability to disable function of selection of numbers coinciding with the number in the selected cell.
- Regularly updated collection of tasks.

Join us in Telegram group: https://t.me/popapporg_sudoku