To play this game run the following commands:
$ git clone https://github.com/gustavolanna/sudoku.git
$ cd sudoku/sudoku-server
$ mvn spring-boot:run
This will start sudoku-server on port 8080
In another terminal run the following commands:
$ cd sudoku-ui
$ npm start
This will start the UI on port 3000, you can access it at http://localhost:3000
You can also play this game online at https://safe-taiga-79698.herokuapp.com/
Have fun!