One framework for creating powerful cross-platform games
Diablo build for modern operating systems
Free, open source game engine online
The Tiny JavaScript Game Engine That Can!
Distributed server for social and realtime games and apps
A lightweight game server framework implemented with Actor Model
Haskell game engine library for roguelike dungeon crawlers
Retro game engine for creating games like it's 1997
FiveM is a modification for Grand Theft Auto V
Combat Flight Simulator for LINUX. WW2. Network and VOIP. Open-source.
A promising chess program
MUD server, based on CircleMUD code, russificated
Analysis of Oware (Abapa) games
Java Settlers
VB6 stand-alone MUD client and server.
Customizable and compatible open source server for Minecraft
Crossfire RPG Game Weather Patch -- Now a branch on the official repo!
RPG dice roll simulator for vintage Tandy TRS-80 100/102/200 laptops
A cross-platform 2D game engine
Official Weekly Fortune Telling Cards from, PowerFortunes.com
Mad Vandal's FortressCraft Mod Source Code
Planimeter Game Engine 2D - LÖVE-based game engine for Lua
A first person multiplayer shooter example project in Unity
A mobile game distributed server implemented using netty4.X