Within the framework of the Knower School contest, a project was created based on the Unreal Engine game engine, which includes two unique portals - one of them represents a sacred and serene place, while the other is made in the style of a hellish location, where dark tones and dynamic sandstorm effects predominate. In this project, we focused on the atmosphere, having competently selected sounds, effects, and lighting. The main feature of the project is the setup of the mechanics of transition between portals, which allows the player to move between two worlds