One of the best Prodigy hacks
All Google Snake mods combined into one
Make Minecraft Java Edition mods, Minecraft Bedrock Edition Add-Ons
An updated version of the classic "Basic Computer Games" book
Minecraft server optimization guide
Godot game template and component-based framework
Gideros Release version
3D game engine/framework in C, with Luajit and Python bindings now
A lightweight game server framework implemented with Actor Model
Various things for PSX (PlayStation 1, PSone)
Botcraft is a cross-platform C++ library to create bots
Fully async, multithreaded, predictive, open source, 3.01 reach
Android, UIQ 3.0, Series 60 Edition 5 open-source software
A modern, cross-platform Quake game engine based on FitzQuake.
A cross-platform port of Hexen II game.
3D Engine c++
Ad free open source TV guide for more than 1000 channels.
A planetarium software that shows a 3D simulation of the night sky
Arianne is an engine to develop multiplayer online games like Stendhal
The ultimate cataloguer
Game library for Pascal
Zoomable user interface (ZUI) with file manager, file viewers and more
Orx: Portable Game Engine
Full featured MUD server with all the trimmings.