The speech purpose is to show how Virtual Reality incorporated into a project, changes drastically our common knowledge about video game development and what a developer should be aware, when he chooses to use it in his project. Virtual Reality changes the basic principles and status quo for art, sound, design and programming. For the next few years video game developers have to adjust and create, almost from scratch, best practices for creating video games in VR. The speaker will try to convey what he has learned from over a year of development of a Virtual Reality game – Detached. Topics like frame requirements, camera movement, nausea, input, sound design, sense of presence will be discussed.