It is ready for release, and it’s excellent for learning purposes.
You can try out the game:
How to play?
On mobile : Tap the cubes to destroy them.
On desktop/web : Click on the cubes to destroy them.
Your goal is to form a shape which can fit inside the moving wall. If
you can’ t form the ideal shape in time then the game is over.
Unity 2018.2.13 or higher
Documentation contains everything.