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Learn Unity

Build 2D and 3D games in Unity, from your first scene to a finished build.

Free to start. Built from a single prompt. No credit card.

Unity is a widely used game engine for 2D and 3D games on PC, consoles, mobile and VR. Scenes are built from GameObjects, and behavior comes from components attached to them: a Transform for position, a Rigidbody for physics, a Collider for collisions and your own C# scripts. Scripts usually inherit from MonoBehaviour and run code in methods like Start and Update. Prefabs let you reuse configured objects across levels. Beginners learn the editor first, then script movement and collisions. Learnr builds a personalized Unity course from your prompt and teaches it through short, interactive lessons that move toward a playable game.

How to learn Unity, step by step

Install Unity Hub and learn the editor. Install Unity Hub and an LTS editor version, create a 2D or 3D project, and learn the Scene, Game, Hierarchy, Inspector and Project windows. Move, rotate and scale objects until the controls feel automatic.
Learn enough C# to script behavior. Get comfortable with variables, if statements, methods and classes in C#. Unity scripting builds on these, and confusion often comes from not knowing which parts are C# and which are Unity.
Script movement with Update and delta time. Write a MonoBehaviour that reads input and moves a player, multiplying by Time.deltaTime so speed is consistent at any frame rate. Expose speed as a serialized field to tweak it in the Inspector.
Use physics, colliders and triggers. Add Rigidbody and Collider components, move physics objects in FixedUpdate, and respond to OnCollisionEnter and OnTriggerEnter. Build a coin pickup and a hazard that resets the level.
Reuse objects with prefabs and add UI. Turn enemies and pickups into prefabs, spawn them with Instantiate, and show a score with a UI text element. Add sound effects and a simple main menu that loads the game scene.
Finish and build a small game. Complete a tiny game like a platformer level or top-down shooter and export a build for desktop or the web. Short Learnr lessons help C# and Unity concepts stick between sessions.

What you'll learn

Navigate the Unity editor: Scene, Game, Hierarchy, Inspector and Project
Build scenes from GameObjects, components and prefabs
Write C# MonoBehaviour scripts that handle input and movement
Use Rigidbody physics, colliders and triggers
Add UI, sound and scene changes, then export a build

What's inside your Unity course

A sample path Learnr builds for Unity. Your real course adapts to your goal and level.

1. Installing Unity Hub and touring the editor
2. GameObjects, components and transforms
3. C# scripting with MonoBehaviour
4. Physics, collisions and triggers
5. Prefabs, UI and audio
6. Building and sharing a small game

How long does it take to learn Unity?

A first simple game is realistic in 4 to 8 weeks at 5 to 8 hours a week, even if C# is new. Becoming comfortable with physics, animation, UI and project structure usually takes 4 to 8 months of building small games.

What you need before you start

No game development experience is needed. Basic programming helps a lot; if C# is new, learn its fundamentals alongside. You need a computer capable of running the Unity editor.

Common mistakes to avoid

Following long tutorials without building anything original. After each tutorial, change the mechanics or make a small variant on your own.
Calling GetComponent or Find every frame in Update. Cache references in Start or Awake and reuse them.
Moving Rigidbody objects by setting their transform directly, which fights the physics engine. Use forces, velocity or MovePosition in FixedUpdate.

How Learnr builds your course

Type your topic

Tell Learnr you want to learn Unity, or get as specific as you like.

Get a personalized course

Learnr instantly builds a full Unity course tailored to your goal and skill level.

Learn and level up

Move through bite-sized lessons and interactive practice, earning XP and keeping your streak.

Unity questions, answered

What programming language does Unity use?

Unity uses C# for scripting. Unity also has a visual scripting system, but learning C# gives you the most control and matches most tutorials and documentation.

Is Unity good for beginners?

Yes. It has a large community, free learning material on Unity Learn and many tutorials. Starting with a 2D project keeps scope and complexity manageable.

Should I choose Unity, Godot or Unreal?

Unity is versatile and popular for indie and mobile games. Godot is free, open source and lightweight. Unreal suits high-fidelity 3D and uses C++ and Blueprints. All teach transferable game development concepts.