Cocos simplifies game creation and distribution with Cocos Creator
Fast and lightweight JavaScript game engine built on WebGL and glTF
Open 3D Engine (O3DE) is an Apache 2.0-licensed multi-platform 3D
Cross-platform 2D and 3D game engine with modular architecture
3D and 2D game engine written in Rust
An OpenGL RTS game engine written in C
Free game engine for development of desktop, mobile, and web games
Command & Conquer: Remastered Collection
3D Game engine with editor
Open game and rendering engine packed into a JavaScript framework
A fresh & lightweight javascript game engine
IsoCity: City building simulation game
Stride (formerly Xenko), a free and open-source cross-platform C# game
3D game engine with lua scripting
Doom-based AI research platform for reinforcement learning
Vivid3D is a C++ IDE/3D engine, with python scripting.
0 A.D. is a free, open-source, cross-platform real-time strategy game.
A free 3d game for PC that does not limit the player. Fight,Build,Gain
Simple 3d Top-Down Shooter & Free 3d Board Game
SDL based generic 2D game engine
A cross-platform port of Hexen II game.