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<includeonly>=</includeonly>==2. Learn about the software==<includeonly>=</includeonly>
Designing for VR is much like has a lot in common with designing traditional videogames, as they are both 3D interactive experiences. The difference between designing for VR and designing for traditional video games is that special considerations must be made for the nuanced experiences of presence and immersion, nonlinear storytelling, locomotion which reduces motion sickness, and graphical optimization.
Most VR developers opt to use a game engine (unless they're developing for WebVR, discussed below), and should decide which they want to work with early on. Two most popular are [[Unreal Engine 4]] (UE4) and [[Unity]]. Both of these engines are very capable and will become the tool that you rely on most in your development; both have very active communities with vast resources out there to help you. These are freely available software suites capable of managing 3D environments, importing custom assets (such as 3D models, imagery, sounds, video), and programming interactivity or gameplay. Most useful of all, there are an insane number of YouTube tutorials and online guides for both engines, both official and fan-created.
