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Use the Unity Editor to create 2D and 3D games, apps and experiences. Download the Editor at unity.com.
The Unity User Manual helps you learn how to use the Unity Editor and its associated services. You can read it from start to finish, or use it as a reference.
A complete introduction to the Unity Editor.
All of the Unity Editor’s 2D-specific features including gameplay, spritesA 2D graphic objects. If you are used to working in 3D, Sprites are essentially just standard textures but there are special techniques for combining and managing sprite textures for efficiency and convenience during development. More info
See in Glossary and physics.
The visual aspects of the Unity Editor including camerasA component which creates an image of a particular viewpoint in your scene. The output is either drawn to the screen or captured as a texture. More info
See in Glossary and lighting.
Simulation of 3D motion, mass, gravity and collisionsA collision occurs when the physics engine detects that the colliders of two GameObjects make contact or overlap, when at least one has a Rigidbody component and is in motion. More info
See in Glossary.
How to implement Multiplayer and networking.
Programming your games by using scripting in the Unity Editor.
Audio in the Unity Editor, including clips, sources, listeners, importing and sound settings.
Animation in the Unity Editor.
User interface toolkits available in the Unity Editor.
Navigation in the Unity Editor, including AI and pathfinding.
Suggest modifications to some of the Unity Editor’s source code.
Specific information for the many non-desktop and web platforms you can make projects for with the Unity Editor.
The Unity Knowledge Base - a collection of answers to questions posed to Unity’s Support teams.
Unity Learn - step by step video and written guides to using the Unity Editor.
Unity Ads Knowledge Base - a guide to including ads in your game.
Asset Store help - help on Asset StoreA growing library of free and commercial assets created by Unity and members of the community. Offers a wide variety of assets, from textures, models and animations to whole project examples, tutorials and Editor extensions. More info
See in Glossary content sharing.
Is a feature not working as you expect it to? It might be an existing Known Issue. Please check using the Issue Tracker at issuetracker.unity3d.com.