4A Engine – Game Engine written in C++
4A Engine is a proprietary game engine written in C++, developed by 4A Games, a Ukrainian game development studio. It is best known for powering the Metro game series. It is a 3D oriented engine with target platforms including Windows, PS3/PS4, Xbox 360/Xbox One, and Linux, featuring advanced DirectX11 support and optimized for detailed environments, real-time physics, and atmospheric lighting.








