Kitty-Tools is a Kahoot Cheating Client for all devices and interfaces
You can make it - Open Source MMORPG Platform
The Modrinth monorepo containing all code which powers Modrinth
s&box is a modern game engine, built on Valve's Source 2
A lightweight, modular and versatile mod loader for Minecraft Bedrock
Make Minecraft Java Edition mods, Minecraft Bedrock Edition Add-Ons
Open source cross-platform multi-purpose game toolkit
A high performance and high compatibility 1.12.2/1.16.5/1.18.2 version
Games you can play in your terminal written in go
An Open Source Minecraft Launcher with Modern UX
Tool to statically recompile N64 games into native executables
All of Minecraft, EASILY get Minecraft resources
The flexible game engine
A simple and easy-to-use library to enjoy videogames programming
An unofficial PC port of the Xbox 360 version of Sonic Unleashed
Free game engine for development of desktop, mobile, and web games
Open-source Android/Desktop remake of Civ V
Desktop/Android/HTML5/iOS Java game development framework
Cross-platform 2D and 3D game engine with modular architecture
Build multiplayer web games played by millions
Descent 3 by Outrage Entertainment
Programming eXperience Toolkit
Doom-based AI research platform for reinforcement learning
A free/open source client and automation tool for Ragnarok Online
V1, Mirror Classic. V2, Mirror Engine: Join Discord for access