Unity 5.x By Example

Building

So now it's time to build the game! That is, to compile and package the game into a standalone and self-executing form, which the gamer can run and play without needing to use the Unity Editor. Typically, when developing games, you'll reach a decision about your target platform (such as Windows, iOS, Android, and others) during the design phase and not at the end of development. It's often said that Unity is a 'develop once, deploy everywhere tool. This slogan can conjure up the unfortunate image that, after a game is made, it'll work just as effortlessly on every platform supported by Unity as it does on the desktop.

Unfortunately, things are not so simple; games that work well on desktop systems don't necessarily perform equally well ...