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An open source 3D Game Engine written in C++ and Metal
Objective-C++ C++ Objective-C Metal C
Branch: master
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Untold Engine


The Untold Engine: An easy to use, open source, 3D game engine for iOS/macOS game development

Hi, my name is Harold Serrano, and I developed the Untold Engine, an open source 3D game engine written in C++ and Metal Graphics (API).

It took me over five years to develop the Untold Engine from scratch. I spent thousands and thousands of hours developing the Untold Engine, and now I'm releasing it as an open source.


Running the Untold Engine

Before running the engine, please visit the Docs.

What you need?

To run the the Untold Engine, you need the following tools:

Current Version

Beta version v0.0.14. See current Release Notes for improvement and fixes.


The Untold Engine is licensed under the LGPL v2.1. This means that if you develop a game using the Untold Engine, you do not need to open source your game. However, if you create a derivative of the Untold Engine, then you must apply the rules stated in the LGPL v2.1. That is, you must open source the derivative work.

Contributing to Untold Engine

Since this project has barely been released as an open-source, I am not taking Pull-Request yet. I want to complete the documentation and write more tutorials before allowing Pull-Request.

If you want to help out, I would appreciate if you could report back any bugs you encounter. Make sure to report them at our Github issues, so we all have access to them.

Thank you.

Once I feel that the documentation is ready, I will allow Pull-Request.

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