Created an interactive 2D game of Sudoku on Python using pygame, which solves the puzzle using backtracking algorithm. File game.py plays the game and it uses another file, sudoku.py, to solve the puzzle using backtracking algorithm.
- Use navigation keys to move among the boxes, enter the number in an empty box, click Enter and if the box turns red, the number enterred is incorrect, in that case re-enter the correct number.
- To see the solution, click Spacebar.