GemRB is a portable open-source implementation of the Infinity Engine
Descent 3 by Outrage Entertainment
Powerful, mature open-source cross-platform game engine for Python
A Minecraft mod designed to improve frame rates
Real Time Strategy game engine supporting early Westwood classics
Recreation of the classic Grand Theft Auto III game executable
The fastest AI powered Aimbot
A completely free, open-source, 2D game engine
The game engine for everyone
A modular Common Lisp game engine
Voxel game engine in C++ with OpenGL
The Ren'Py Visual Novel Engine
Cross-platform 2D game engine focused on ultimate productivity
A refreshingly simple data-driven game engine built in Rust
Diablo build for modern operating systems
3D Game engine with editor
Voxel game-creation platform with easy modding and game creation
YimMenu, a GTA V menu protecting against a wide ranges
A pure Go game engine
Write your game with TypeScript in UE or Unity
Repository for the Goonstation branch of SS13
Free game engine for development of desktop, mobile, and web games
A dead simple 2D game engine for Go
Vulkan renderer mod for Minecraft
3D and 2D game engine written in Rust