Unreal Engine
High-end 3D game engineSource-available· verified Sep 2026
Epic's engine for high-fidelity 3D, with C++ and Blueprints visual scripting, and built-in rendering features like Nanite geometry and Lumen lighting. Also used for film and visualization.
Official site
Reach for it when
- High-fidelity 3D on PC and consoles
- Real-time visualization and virtual production
Worth knowing
Engine source access is governed by Epic's license, not an open-source license. The standard game royalty is 5% on attributable lifetime gross revenue above $1M, with exclusions and possible discounts; other uses can require seats. There is no official browser export. Read the current terms before release.