Open Source Python Multi-User Dungeons (MUD) Games for Mac

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.

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

Alternative Lineage 2 Game Server written in Java.

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.

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.

Eternal Warfare is turn driven, browser based game. It will have multiple realms to play through and eventually travel back to. Development will be focused mainly on community driven systems and will also create a flexible character development system.

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

Our goal is to create a publicly available supporting architecture and design manifesto for an MMORPG. Eventually the design will be used as the basis for an Open Source MMORPG.

!!!NOTE: THIS PROJECT HAS MOVED TO GITHUB!!! RingMUD is an extensible MUD (multi-user dungeon) engine and utility set that draws inspiration from popular tabletop RPG systems and adds a dash or two of its own flavor.

The RML project is working on a way of designing rulesets for games, virtual worlds and other simulations. It aims to enable design at a much higher level than is currently available and make it accessible to the more artistically inclined designer.