Godot is a powerful cross-platform game engine
The HTML5 Creation Engine
Cross-platform 2D game engine (+ full OpenGL, +full OpenGL ES )
A Complete WebGPU Game Engine for Browser & Desktop Arcade Oriented
Game engine supporting many 3D/2D formats and graphic effects
The world is no longer the same
A game engine for console based text games
Cross-platform 2D and 3D game engine
Game engine for playing tomb raider 1 - 5 levels.
Educational framework for OpenGLES, OpenCL and OpenAL
Javascript adventure game engine
RTS engine
A cross platform 3d c++ game engine
Game engine supporting many 3D/2D formats and graphic effects