Open source Old School RuneScape client
Cross-platform, open source, and super fast MUD client with scripting
Google maps for block game
An efficient graphical Minecraft seed finder and map viewer
Create custom themes for the Nintendo Switch
Lossless Scaling Frame Generation on Linux
Flexible level editor
Community version based on the PCL open source secondary development
A free and open-source Touhou Project fangame
API and runtime that allows access to VR hardware
A free/open source client and automation tool for Ragnarok Online
GZDoom is a feature centric port for all Doom engine games
scene-oriented, flexible 3D engine (C++, Python, C#, Java)
Building Tools and Aesthetic Technology
A completely free, open-source, 2D game engine
JavaScript-based game engine designed to empower developers
Mod manager for the video game RimWorld
The Tiny JavaScript Game Engine That Can!
C# application with primary purpose of farming Steam cards
A Balatro Modding Framework
A tech mod for Minecraft themed around the magic of nature
A Minecraft Mod about Matter and Energy
Zig game engine & graphics toolkit
Programming eXperience Toolkit