Half Sudoku - new challenging sudoku variation!

Half Sudoku is a new variant of Sudoku which incorporates diagonal positioning as well as incomplete rows, columns, and sections which must be considered when placing numbers. The experience of a Half Sudoku puzzle is quite different from doing an ordinary Sudoku puzzle, though they are based on a similar idea. Half Sudoku features # Content- More than 200 puzzles- 5 difficulty levels# Features- Hint auto fills the board with memo that has no direct conflicts with other numbers- Highlight same numbers as you select a number on board- Also Highlight memo numbers as you select a number- Autosave the process of unfinished levels- Record best completion time for each level- Game Center Achievements