Multi-platform 2D and 3D game engine
One framework for creating powerful cross-platform games
scene-oriented, flexible 3D engine (C++, Python, C#, Java)
Desktop/Android/HTML5/iOS Java game development framework
Cross-platform game engine in Rust
3D modeler, 3D game maker, 3D demo maker
A VR puzzle game for Cardboard using Unity
The Atomic Game Engine is a multi-platform 2D and 3D engine
3D .NET engine for Windows, Linux, Mac