A Minecraft Launcher which is multi-functional, cross-platform
A complete 3-D game development suite written in Java
Godot is a powerful cross-platform game engine
Doom-based AI research platform for reinforcement learning
Mangos ZERO is a server for World of Warcraft
Xash3D FWGS engine
A cross-platform PSP emulator
Cross-platform 2D and 3D game engine with modular architecture
The main repository for the Linux and Mac OS Bedrock edition Minecraft
An Open Source Minecraft Launcher with Modern UX
Cross-platform rhythm game for the keyboard
Multi-platform Engine for Desktop, XBOX (UWP) and Mobile games
Cross-Platform C++ 2D/3D game engine
Open Source MMORPG Framework
Free and open source real-time strategy game
Stride (formerly Xenko), a free and open-source cross-platform C# game
Voxel game-creation platform with easy modding and game creation
Powerful, mature open-source cross-platform game engine for Python
A bridge/proxy allowing you to connect to Minecraft
Cocos simplifies game creation and distribution with Cocos Creator
The HTML5 Creation Engine
Games you can play in your terminal written in go
Cross-platform 2D game engine focused on ultimate productivity
One framework for creating powerful cross-platform games
An open source implementation of the Ultima Online Classic Client