That's where Unity Learn is a huge help. It's a website run by Unity Technologies that offers hundreds of hours of professionally made video tutorials that dive into every facet of game development.

I also discussed how you could make a 2D platformer in Unity in 7 minutes — though that was really only a basic framework.

The company has a long history on Apple's platforms; many of the early 2D and 3D games on the iPhone were built with Unity, contributing to the company's rise to fame.