Real Time Strategy game engine supporting early Westwood classics
Fast and lightweight JavaScript game engine built on WebGL and glTF
scene-oriented, flexible 3D engine (C++, Python, C#, Java)
Open Source real-time strategy game engine for early Westwood games
Open 3D Engine (O3DE) is an Apache 2.0-licensed multi-platform 3D
Voxel game engine in C++ with OpenGL
The flexible game engine
A refreshingly simple data-driven game engine built in Rust
A retro game engine for Python
A modular Common Lisp game engine
A pure Go game engine
Multi Theft Auto is a game engine
Orx: Portable Game Engine
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A cell-based puzzle game featuring classic and completely new puzzles
API (C#) for simulating certain aspects of a ZX spectrum for porting.
RTSish Game Engine
A simple cross-platform game engine for creating old-school 2D games
C++ lightweight cross-platform game engine
Open source reimplementation of GTA San Andreas game engine in Unity
Cross-platform 3D scene editor based on three.js, golang and mongodb
Spring is a free RTS engine developed for Windows, Linux and Mac OS X.
Vivid is a modern C++ 3D engine using OpenGL4+