Unreal Engine primarily uses C++ as its core programming language for game development due to its high performance and robust control over hardware and graphics processes. Alongside C++, Unreal Engine also features Blueprints , a visual scripting system that allows developers to create gameplay logic without needing to write traditional code, making it accessible for non- programmers and rapid prototyping. Additionally, Python is supported mainly for automating tasks inside the Unreal Editor rather than for gameplay programming.
Main Coding Languages in Unreal Engine
- C++: The principal language used for core game development, offering deep access to engine features and maximum performance. Unreal Engine's source code itself is written in C++.
- Blueprints: A node-based visual scripting system integrated within Unreal Engine that enables developers to visually create game logic and systems without coding.
- Python: Utilized primarily for scripting repetitive editor tasks and automation workflows, not for creating game logic.
Background and Additional Notes
- UnrealScript was the original scripting language, but it was phased out in Unreal Engine 4 in favor of pure C++ and Blueprints.
- C++ knowledge is highly valuable, especially for complex gameplay systems, performance optimization, and integration with third-party libraries.
- Blueprints allow beginners to start making games without C++ knowledge, while learning both Blueprints and C++ is recommended for full potential.
- There are experimental and community projects for other languages like C# or JavaScript, but C++ remains the official and most supported language.
In summary, Unreal Engine uses C++ as its core programming language , with Blueprints for visual scripting and Python for editor automation, making it a versatile engine suitable for a wide range of developers and projects.