We've now gone over most of the features of Prototype, giving a good basis on which you should be able to create a first-person shooter level using interior spaces.

For those wanting to see more of ProBuilder/Prototype in action, here is a video series involving Gabriel Williams creating the famous E1M1 map from the original Doom game. https://www.youtube.com/watch?v=f2ia28kSiLs&list=PLrJfHfcFkLM9dWnj31b8XTdePDLIOWk7e

In the next chapter, we will delve into creating exterior areas, making use of Unity's terrain features.