A modular Common Lisp game engine
Real Time Strategy game engine supporting early Westwood classics
A game framework written with osu! in mind.
scene-oriented, flexible 3D engine (C++, Python, C#, Java)
Zig game engine & graphics toolkit
Cross-platform game engine in Rust
SDL based generic 2D game engine
The multiplayer game engine
Fork of AbuseSDL to carry on development
Vivid is a modern C++ 3D engine using OpenGL4+
Low-Level Game Engine for Retro Platforms
Free and Open Game Programming Language for Windows and GNU/Linux
A 2d physics game engine for JavaFX
TurboSphere is an easy to learn and powerful JS based game engine.
A very small multi-platform game engine for creating desktop games.
Cross-platform 2D game engine
OSGET is the first open source mobile game engine template.