Set of Python modules designed for writing video games
RetroArch is a frontend for emulators, game engines and media players.
A free/open source client and automation tool for Ragnarok Online
A cross-platform PSP emulator
Mangos ZERO is a server for World of Warcraft
The Playstation 2 emulator
Compatibility tool for Steam Play based on Wine and other components
The game engine for everyone
16 bit real mod minecraft clone running in bios
Open source library for creative expression on the web, desktop, etc.
New Godot bindings for Swift
Multi-platform Engine for Desktop, XBOX (UWP) and Mobile games
The ioquake3 community effort to continue supporting/developing id's
scene-oriented, flexible 3D engine (C++, Python, C#, Java)
C# application with primary purpose of farming Steam cards
ThinkPHP Framework
Homebrew development library for Nintendo 3DS/Horizon OS user mode
Mod manager for the video game RimWorld
Program and Game Manager for DOS
Stride (formerly Xenko), a free and open-source cross-platform C# game
dhewm 3 main repository
An open-source Phantasy Star Online server for *nix
Inspecting and manipulating NBT as a file system
3D Engine c++