A game engine powered by python and panda3d
JavaScript-based game engine designed to empower developers
Godot Minimal Theme
A modern, cross-platform Quake game engine based on FitzQuake.
SDL based generic 2D game engine
A cross platform Lua based game engine
Web powered cross-platform 3D, WebXR game engine
A generic 2D engine for any kind of game
Free Android 2D OpenGL Game Engine
Open source, moddable game engine for the "Polygon Love 2" game
Little game background framework in java.