Need help with UnityCsReference?
Click the “chat” button below for chat support from the developer who created it, or find similar developers for support.

About the developer

8.3K Stars 1.8K Forks Other 94 Commits 3 Opened issues


Unity C# reference source code.

Services available


Need anything else?

Contributors list

No Data

Unity 2020.2.0a13 C# reference source code

The C# part of the Unity engine and editor source code. May be used for reference purposes only.

For terms of use, see

The repository includes third-party code subject to third-party notices.

The terms of use do not permit you to modify or redistribute the C# code (in either source or binary form). If you want to modify Unity's source code (C# and C++), contact Unity sales for a commercial source code license:

We do not take pull requests at this time (sorry). But if you find something that looks like a bug, we'd appreciate it if you'd file it using the Unity Bug Reporter. For more information, see our blog post:

Unless expressly provided otherwise, the software under this license is made available strictly on an "AS IS" BASIS WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED. Please review the license for details on these and other terms and conditions.

The C# solution is in Projects/CSharp/UnityReferenceSource.sln

The folder and file layout of the reference source matches the Unity source tree layout; it can and will change between different Unity versions.

We use cookies. If you continue to browse the site, you agree to the use of cookies. For more information on our use of cookies please see our Privacy Policy.