Unity is a commercial game engine which is developed and sold by Unity Technologies. CAVI has intensively used the Unity game engine system for a wide range of productions and platforms. Unity is a software system designed for the development and production of digital games. One of the core functionalities of the Unity game engine involves the use of 3D models as a setting. The combination of 3D worlds and real-time interaction is a fundamental feature in many of CAVI’s projects. Unity is a relatively open piece of software which makes it possible to develop custom functionalities for specific needs. Hence, CAVI has developed and constructed a numerous highly specialised Unity add-ons which has been used in our development tools and projects.