Killer Sudoku X

Killer Sudoku, the classic game of Sudoku with a "Killer" twist!

You play with the same rules of Sudoku, that you have to place the numbers 1 through 9 in each column, row, and outlined 3x3 box, and you can't have repeats. However, smaller boxes around the board will cover some of the squares and are each given a number. Every number in the boxes must add up to that number! Also, no numbers repeat inside these boxes.

Now includes Regular Sudoku. Switch your game mode and play the classic game of Sudoku, using your favorite settings!

Some features include:
- Random puzzle generation, play a nearly infinite number of games
- Two game modes, switch between Killer Sudoku and Regular Sudoku all in the same app
- Four levels of difficulty, fit your own level of gameplay
- Many many statistics, keep track of how you play over time
- Nine color schematics, with suggestions accepted for future updates
- Advanced details, tells you helpful tips for advanced gameplay
- Smart pencil tools, quickly manage the pencil marks and delve into the real logic of the game
- Snapshots, takes a quick picture of the puzzle so you can make a guess, and resets the puzzle back to the way it was if you need it
- Undo and Redo, rewind any number entries, pencil marks, or snapshots