3D-Accelerated open-source DOOM engine
glBSP is a DOOM nodes builder
A 2D scrolling platform shooter, inspired by Duke Nukem 1
Chess application whichs allows working with chess PDF books and PGNs.
A railway signalling simulation game
3D Procedural Game Engine Using OpenGL
Dedicated Game Server Hosting and Scaling for Multiplayer Games
Cross-platform port of Arx Fatalis, a first-person role-playing game
An open source implementation of the Ultima Online Classic Client
Advanced Minecraft auto-clicker made in C++
Dungeon free resources (terrain & roguelike generation)
Traditional roguelike game with pixel-art graphics
RPG Maker 2000/2003 and EasyRPG games interpreter
Accuracy-focused XNA4 reimplementation for open platforms
The A32NX & A380X Project are community driven open source projects
2D game development library for Ruby and C++
A multi core friendly rigid body physics and collision detection lib
Distributed server for social and realtime games and apps
Home of the OpenComputers mod for Minecraft
A retro game engine for Python