This is a Sudoku Game with 3 different versions. You can connect and keep statistics or play unconnected.
First Version is about Classic Sudoku. If you win the game you are not playing it again.
Second Version is called Killer Sudoku and you have all the rules of Classic. Additional you have to calcuate the sum of every color area to be as the number it says.
Third and last version is a Game between you and the Pc. Its 2*2 version and the Winner is the one with the last move.
For Windows Users:
You must have java 11 and just run the file Sudoku.jar
For Linux Users:
You must have java 11 and run the Sudoku.jar from terminal
Updates soon.
Enjoy :)