Sudoku S.

6/2/2018

1. Added: New advanced hint system. It teaches you solve sudoku step by step using popular sudoku techniques: Hidden Single, Naked Single, Hidden Pair, Naked Pair, Pointing, Claiming, X wing, Swordfish, etc.
2. Improved: default avatar is better.
3. Improved: highlight effect of empty cells and current cell.
4. Improved: graphics quality is much better on retina devices.
5. Fixed: game number is not updated after starting a new game.