Sometimes, for speed of testing, or when we find that we want to do some VR development work without a VR headset, it can be useful to run and test scenes on our computer just within the Unity Editor. Unity provides the Mock HMD simulated device for this purpose:
![](https://static.packt-cdn.com/products/9781839217616/graphics/assets/cfa0abc2-2ac8-4df0-83f2-5eb9c2f3915a.png)
Figure 15.29 – Running the Mock HMD device in the Unity Game window