This is a ready to build project and a great learning resource. It is a Sudoku Solver which uses a backtracking algorithm combined with other solving techniques to quickly and efficiently solve Sudokus.
The solver is extremely fast. It appears almost instant, even on old mobile devices. It supports all platforms and all versions of Unity from 2017.1 onwards.All source code is included. It is well commented and documented. The project has a number of example Sudoku's built-in for you to try immediatley.
We provide high quality support if you have problems using the package or something is not clear.