Open source Entity component system WebVR frameworkĭOS, Apple SOS, ProDOS, Classic Mac OS, Atari TOS Metro 2033, Metro: Last Light, Metro Exodus Windows, macOS, Linux, PlayStation 3, PlayStation 4, Xbox 360, Xbox One
Also, it mixes game engines with rendering engines as well as API bindings without any distinctions.
Note: The following list is not exhaustive. Whether they are 2D or 3D based, they offer tools to aid in asset creation and placement. Game engines are tools available to implement video games without building everything from the ground up.