Zig game engine & graphics toolkit
A game engine powered by python and panda3d
2D JavaScript Physics Engine
A dead simple 2D game engine for Go
Game engine supporting many 3D/2D formats and graphic effects
A 2D rigid body physics engine for the web
JavaScript-based game engine designed to empower developers
Real Time Strategy game engine supporting early Westwood classics
High performance UI layout library in C
SDL based generic 2D game engine
Old-school 2D game engine
Orx: Data-Driven Game Engine
realistic driving simulation + functions for 2D/3D graphics
Chess program
A cross platform Lua based game engine
Y.A.G.A.C is a free open-source platformer game
Web powered cross-platform 3D, WebXR game engine
Dizzy Omega - sequel of Dizzy Y game
scriptable game engine with built-in support for 2D graphics and sound
The ultimate 2D side scrolling engine. NOTE: Moved to GitHUB