Atmosphère is a work-in-progress customized firmware for the Nintendo
A lightweight, modular and versatile mod loader for Minecraft Bedrock
Tool to statically recompile N64 games into native executables
An unofficial PC port of the Xbox 360 version of Sonic Unleashed
GZDoom is a feature centric port for all Doom engine games
Free game engine for development of desktop, mobile, and web games
Flax Engine, multi-platform 3D game engine
Doom-based AI research platform for reinforcement learning
Desktop/Android/HTML5/iOS Java game development framework
Recreation of the classic Grand Theft Auto III game executable
Cross-platform 2D and 3D game engine with modular architecture
Descent 3 by Outrage Entertainment
A free/open source client and automation tool for Ragnarok Online
Open 3D Engine (O3DE) is an Apache 2.0-licensed multi-platform 3D
A game engine with an emphasis on real-time cutting-edge solutions
Android, UIQ 3.0, Series 60 Edition 5 open-source software
MIT Licensed Open Source version of Torque3D from GarageGames
Cross-platform port of Arx Fatalis, a first-person role-playing game
Amazon Lumberyard is a free AAA game engine
A real-time game development platform
Legandary Story of the Zarakite
Compatible client of Ace of Spades 0.75
The Atomic Game Engine is a multi-platform 2D and 3D engine
Open-source, cross-platform, C++ game engine for creating 2D/3D games