IIS3 is an interactive imersive cube system. It is a simulator to virtual reality. User can enter in the 4 wall screen system and he can navigate with the virtual world. could be see on youtube by searching iis3. It provides by the independant laboratory IIS3 Lab. This project is auto realized. IIS3 will be see on numerics arts events for 2009/2010 in the interactive exposition "IIS3 - Cyber Space or Virtual Reality". IIS3 Lab. program worshops of virtual reality initiation and training.