Use the Profilerīefore you start removing lines of code, refining prefabs, and trying to make everything performant, you need to know what is actually causing performance issues. Don't limit yourself too much, but understand that it's easier to build a performant game from the start rather than trying to restructure things to work better later. However, think with performance in mind as you're designing it the first time. I enjoy going back to old scripts or projects and finding ways to make something more efficient, often by stripping down the excess.

I always like to approach development from the perspective of what can I get away with to achieve the same effect? Whenever you design a game you need to determine specifically what you need and, more importantly, what you don't need to include. I'm putting this first since it should be a general rule for any game that you build. Getting started in Unity? Watch our FREE tutorial series: Unity Introduction for Beginners 1. While each game may require a different approach to optimization, these are the key techniques you can implement in most situations. Maximizing game performance can be quite relative to the game that you're working on and performance tips that may work for one game may be completely pointless for another.

Playing a game that is properly optimized feels smooth and responsive, and it will have a larger audience since it can run on lower-end platforms as well.

A game's performance can make or break the experience.

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