scene-oriented, flexible 3D engine (C++, Python, C#, Java)
2D JavaScript Physics Engine
Zig game engine & graphics toolkit
Cross-platform game engine in Rust
Amateur 3D Game Engine
Old-school 2D game engine
Game engine to build text adventures.
Here we're trying to create the easiest open-source game engine.
Orx: Data-Driven Game Engine
Game engine supporting many 3D/2D formats and graphic effects
PyCAPGE - Python Classic Adventure Point and Click Game Engine
Free, open source game engine online
Haskell game engine library for roguelike dungeon crawlers
Modified source engine (2017) developed by valve and leaked in 2020
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