What Scripting Program Does Unity Use?


Heather Bennett

Unity, one of the most popular game development engines, uses a powerful scripting program called Unity Script. This essential component allows developers to bring their games to life by writing custom code. With Unity Script, you can create engaging gameplay mechanics, implement complex AI systems, and build interactive environments.

What is Unity Script?

Unity Script is a scripting language based on JavaScript. It was developed specifically for Unity and provides a straightforward and efficient way to write code for game development. Unity Script is designed to work seamlessly with the Unity engine, allowing developers to easily manipulate game objects, control animations, and handle player input.

Why Use Unity Script?

One of the primary reasons developers choose Unity Script is its simplicity. It has a user-friendly syntax that closely resembles JavaScript, making it accessible even for beginners. Additionally, since JavaScript is a widely used language, many programmers find it easy to transition into Unity Script.

Another advantage of using Unity Script is its integration with the Unity Editor. The editor provides powerful visual tools that allow you to design your game’s scenes and assets without writing any code. However, when you need more control or want to implement custom functionality, you can use Unity Script to extend the editor’s capabilities.

Basic Syntax

Let’s take a look at some basic syntax examples in Unity Script:

// Declaration and initialization of variables:

var playerName : String;
var playerScore : int = 0;

// Function definition:

function Start() {
    Debug.Log("Game started!");

// Accessing components:

var rigidbody = GetComponent<Rigidbody>();
rigidbody.AddForce(Vector3.up * 10);

Unity Script vs. C#

Until Unity version 5, Unity Script was the primary scripting language used in Unity projects. However, with the release of Unity 5, the company introduced C# as an alternative scripting language.

C# is a more powerful and robust language compared to Unity Script. It offers better performance, stronger typing, and access to more advanced programming concepts. Additionally, since C# is widely used in the industry, many developers already have experience with it.

While C# has become the recommended scripting language for new projects in Unity, existing projects using Unity Script can still be maintained and updated. However, it is worth considering transitioning to C# for future development as it provides more long-term support and compatibility.


Unity Script is a versatile and beginner-friendly scripting program that allows developers to create amazing games using the Unity engine. Whether you are a novice or an experienced programmer, its simplicity and integration with the powerful Unity Editor make it a great choice for game development.

While Unity Script served as the primary scripting language for several years, it has now been surpassed by C#, which offers enhanced performance and broader industry support. Nevertheless, both languages can be used effectively in your Unity projects depending on your preferences and requirements.

Now that you have a basic understanding of what scripting program Unity uses, you can start exploring its potential by experimenting with code examples and building your own games!

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