Arduino+Potentiometer + Unity3D\ HELP!

I want to make a game of 5 cubes to control the rotation, controlled by potentiometer 5, each potentiometer control a cube, using the 5 analog ports.

How do I mount the Arduino and the code, and the code cubes in unity

Help me do not understand a lot about Arduino and unity.

Wll that makes two of us not understanding.

What is "unity" please post a link to it.