You can play this game here:
https://retroplatform-360ed.firebaseapp.com
To understand the game story (pt-BR):
https://github.com/tiagodeliberali/RetroPlatform/blob/master/STORY.md
Want to use the Maze Builder? Here is a little tutorial about it:
https://github.com/tiagodeliberali/RetroPlatform/tree/master/Assets/Scripts/Maze