Open Source Python Multi-User Dungeons (MUD) Games

Arianne is a multiplayer online engine to develop turn based and real time games, providing a simple way of creating the game server rules and clients like our MORPG Stendhal. Our engine Marauroa uses Java and SQL for hosting hundreds of players on a solo host. Stendhal is a fun friendly and free multiplayer online adventure game with a huge and rich world. With hundreds of NPCs and different quests, features like the Travel log and achievement system keep track of progress. Thousands of creatures are ready to fight, above and below ground, and as players level up they can compare themselves on a detailed stats website. The engine Marauroa provides a simple way of creating games on a portable and robust server architecture. Marauroa manages the client server communication and provides an object orientated view of the world for game developers. It handles database access in a transparent way to store player accounts, character progress and the state of the world

Crossfire is a free, open-source, cooperative multi-player RPG and adventure game. Since its initial release, Crossfire has grown to encompass over 150 monsters, 3000 areas to explore, an elaborate magic system, 14 races, 16 character classes, and many powerful artifacts scattered far and wide. Set in a fantastical medieval world, it blends the style of Gauntlet, NetHack, Moria, and Angband.

Worldforge provides clients, servers, tools and protocol to allow for anyone to create and host their own virtual and online world.

Alternative Lineage 2 Game Server written in Java.

A MUD-Client for Windows (Win32) and KDE, featuring perl, python and ruby scripting, as well as multi-window output. The main focus is a very strong scripting engine (nearly everything is accessible from a script) while trying to stay user friendly.

Lyntin is a Python mud client based on Tintin but goes above and beyond Tintin allowing you to write modules in Python enhancing the client to suit your individual needs.

A tool for Spellcrafters and their customers playing Mythic Entertainment's MMPORG, Dark Age of Camelot

Dutch open source game, playing in the Netherlands, written in Duch to get dutch people involved with Java and Open GL.

This game is an MMORPG in various UNIX scripting languages, with a graphical shell accessed by SSH for the client. It will support Linux, Windows, and MacOS X. It is meant to be immersive and allows in-game coding.

Momoko is a framework for developing distributed, multi-user, network-aware applications. It includes facilities for storing objects in a tree structure, a shell for manipulating the object database, orthogonal persistence, scripting support, and a trans

Wolfpack is a server-side Ultima Online MMORPG software. The project has started back in 1998 and has aquired both users and developers since then.

Dirt is a mud/muck/mush/moo/telnet client for linux with plugins for perl and python scripting. It is text-based and features: color, scrollback, history, autocomplete, alias, trigger (even on ansi), zchat/mudmaster chat, mudftp, MCCP, and a help system.

Aarit is a MUD playable via web browser and made in Python with twisted framework.

AUOE stands for Advanced Ultima Online Emulator. This project has the aim to build a highly customizable free opensource UO emulator. Our secondary goal is to build a highly customizable compatible Ultima Online client. Languages: C++/PHP/Perl/Python/XML

Project Angela is a family of ruleset modeling language (RML) interpreter components written in python. It is intended to easily enable RML support for a variety of different simulation engines, game engines and MMO frameworks.

An MMORPG using the Multiverse Platform (www.multiverse.net). This project includes game logic code and art assets. Note that the Multiverse server libraries itself is NOT open source.

Arnacaw Online is an open source 2D MMORPG in development. A traditional MMORPG with many extensions, features planned include dynamic player-built worlds, a stock market, auctions, and a player-driven glyph-based spell system.

Atrinik is Multiplayer Online Role Playing Game based on the code of Crossfire and Daimonin. Development is at https://launchpad.net/atrinik

The exciting and complex text-based online Battletech game as developed and actively used by Battletech 3030MUX and others.

BetterMUD, a public domain C++/Python-based MUD designed in the book -MUD Game Programming-

This project is a modular and generally useful 3d game engine with integrated physics calculations and expandability. Expansion includes loading mod files dynamically, maps, and storyline components.

A python based mud codebase currently in alpha stage. The main site for the project and the most up to date files can be found at kenai.com/projects/coppertwilight

This was going to be a set of libraries, and a client for the Crossfire RPG game, written in python. The code is gone, lost in an ancient pile of backups.

A graphical isometric multiplayer virtual reality server in MUD-style. Rooms and server code can be changed online. At the moment, there is also an IRC link. Clients are available in Java and Python/C.

A threaded, distributed MOO server, written in Python.