Endless Sky is a sandbox-style space exploration game
RTSish Game Engine
Snake Feast is a fun, addictive arcade game where you control a snake
Online War system for IL-2 Sturmovik and Iron Front in ArmA 2
3D OpenGL dungeon game using Ada: a tribute to Narbacular Drop
Real-time collision detection and multi-physics simulation for VR
A simulator for drones, cars and more, built on Unreal Engine
Open source revival of the game Transarctica / Arctic Baron
Open RealStrategyGameLibrary (Engine)
A suite of tools to make operating a Empire server easier
The Clue! / Der Clou!
Version of the classic game reworked to support running as a BBS door
Open-DIS implements the IEEE DIS protocol in multiple languages.
Sims 3 (and other) game package library
Tools using the s3pi library and other related works
Remake of the classic Caesar III game
tiny code, html webcam game or plug brain in each blob, java server
Open source game inspired by Star Wars Rebellion. Code written in Java