Game engine to build text adventures.
Game engine supporting many 3D/2D formats and graphic effects
Cross-platform 2D game engine (+ full OpenGL, +full OpenGL ES )
Amateur 3D Game Engine
Old-school 2D game engine
Vivid is a modern C++ 3D engine using OpenGL4+
A cross-platform 2D game engine
Game engine supporting many 3D/2D formats and graphic effects