A mod to make and play Terraria mods. Supports Terraria 1.4
An alternative bootstrapper for Roblox with a bunch of extra features
Open-source rhythm game
Open source cross-platform multi-purpose game toolkit
Sandbox video game with a powerful physics engine
Godot is a powerful cross-platform game engine
Multi Theft Auto is a game engine
One framework for creating powerful cross-platform games
Home theater software and entertainment hub for digital media
Open source clone of the Age of Empires II engine
The A32NX & A380X Project are community driven open source projects
Open Source MMORPG Framework
Cross-platform rhythm game for the keyboard
A free mixin-based injection hacked client for Minecraft
Open Source real-time strategy game engine for early Westwood games
A modern shaders mod for Minecraft compatible with existing OptiFine
Join any Minecraft Bedrock Edition server IP on Xbox One
Powerful, mature open-source cross-platform game engine for Python
PufferPanel is an open source game server management panel
A Flutter based game engine
A fresh & lightweight javascript game engine
Free, Secure, Distributed, Modern Control Panel for Minecraft
Community effort to maintain and improve Jedi Academy (SP & MP)
Azuriom is a complete open-source web solution for game servers
Open 3D Engine (O3DE) is an Apache 2.0-licensed multi-platform 3D