2D JavaScript Physics Engine
Multi-platform 2D and 3D game engine
3D Procedural Game Engine Using OpenGL
Zig game engine & graphics toolkit
Cross-platform game engine in Rust
A simple cross-platform game engine for creating old-school 2D games
Haskell game engine library for roguelike dungeon crawlers
Amateur 3D Game Engine
Here we're trying to create the easiest open-source game engine.
PyCAPGE - Python Classic Adventure Point and Click Game Engine
Orx: Portable Game Engine
Game engine supporting many 3D/2D formats and graphic effects
Modified source engine (2017) developed by valve and leaked in 2020
Multi Theft Auto is a game engine
The multiplayer game engine
Vivid3D is an open-source 3D engine with powerful 2D UI.
Urho3D Game engine
Entitas is a super fast Entity Component System (ECS) Framework
Mini game engine for games104
A cross-platform, open-source, pure C game engine for mobile game
Engo is an open-source 2D game engine written in Go
Retro game engine for creating games like it's 1997
A fork of dhewm3 with an emphasis on modernisation and vanilla Doom 3
Spring is a free RTS engine developed for Windows, Linux and Mac OS X.
Go 3D Game Engine