In order to understand the creation of 3D environments in Unreal Engine 4 it is necessary to study conventional games and their essential elements. It is also necessary to understand both game and level designer\u27s roles in the computer game industry. We have covered the importance of their roles along with games and computer game industry in general which are described in the theoretical part of our paper. During the development of our project the S.S. Infinity, a complete documented workflow had been created and later described in our paper. The documented workflow includes descriptions of creating 3D models, textures, texture packages, lighting, post process effects, animations and creating 3D environment. Our result of the project is ...