Open-source engine for Heroes of Might and Magic III
Open 3D Engine (O3DE) is an Apache 2.0-licensed multi-platform 3D
fheroes2 is a recreation of Heroes of Might and Magic II game engine
Multi Theft Auto is a game engine
A game framework written with osu! in mind.
3D Procedural Game Engine Using OpenGL
Recreation of the classic Grand Theft Auto III game executable
A multi core friendly rigid body physics and collision detection lib
Descent 3 by Outrage Entertainment
Solar2D Game Engine main repository (ex Corona SDK)
Cross-platform 2D game engine focused on ultimate productivity
RPG Maker 2000/2003 and EasyRPG games interpreter
A completely free, open-source, 2D game engine
A fresh & lightweight javascript game engine
Open source clone of the Age of Empires II engine
A high-performance, industry-standard 2D physics engine built on Box2D
New Godot bindings for Swift
A game engine with an emphasis on real-time cutting-edge solutions
Zig game engine & graphics toolkit
KorGE Game Engine. Multiplatform Kotlin Game Engine & Korlibs
The Tiny JavaScript Game Engine That Can!
Svelto ECS C# Entity Component System
A modern, cross-platform Quake game engine based on FitzQuake.
Game engine supporting many 3D/2D formats and graphic effects