How to make a basic game in Unity – setting up This tutorial will assume that you are already familiar with what Unity software is and how it works. If you need more background on that and want ...

You just have to walk through tutorials in the Unity Editor — special Lego “Behavior Bricks” have gameplay actions already built-in, and there are minifig characters ready to go.

As Unity has progressed from version 5.0 to the newly released version 5.4 beta in the last year, they've put a lot of work into this problem. You can see a lot of those changes in the above video ...