a Java client and server which provide a looking for group (LFG) service to be used alongside MMORPGs. Group leaders can advertise groups, and players can look for groups and add themselves to waiting lists for groups
a networked, turn-based, whodunit-type game closely modeled after the board game Clue
features its own language, which is used in dungeons, for spells, NPC, etc
(shareware) a game of strategy and domination inspired by the board game Risk. Control your armies to conquer and hold strategic countries on the map. The object of the game is simple: Take over the entire world
an effort to create a efficient usable Java server and client of the Arianne game system. urrently Marauroa is solely target to developers and it is NOT playable
MazeRunner is a very extensible puzzle game that is also meant to be (somewhat) a Mario clone, featuring good music, graphics (2D), and other features.
MegaMek is an open source, networked Java clone of the classic BattleTech, a turn-based sci-fi boardgame for 2+ players. Fight using giant robots on a hex-based map. Read more
MegamekNET is a client/server Java Application to chat and play MegaMek Games and also enroll into the ongoing campaign to fíght for one of the 5 houses or a Mercenary Group.
Memories of Mordor
a light, 2D multi-level game that contains its own easy-to-use and extend OO Java game programming library
Merrcator Grid is a real-time strategy game that incorporates actual GIS map terrain and NATO map symbology (MIL-STD-2500B).
Mercator Grid strives for a balance between realism and playability. Ultimately, the design goal for Mercator Grid is to create a global real-time strategy simulation with an integrated first-person shooter.
an international effort to develop a massively-multiplayer roleplaying game system. The MUGU system provides a game engine for customizable graphical worlds
a basically-featured MUD client, designed in form of Java applet. Its GUI is written with Swing, so one needs Java Runtime Environment to run it
Open Imperium Galactica
Open Imperium Galactica (Open-IG) is an open source Java reimplementation of the Digital Reality game Imperium Galactica, a real-time space strategy game released in 1997. Read more
PAiN is a general purpose mud engine. It designed to be an extremely flexible base that will help build your own virtual world.
A remake of Paradroid in 3D.
a Java character generator for d20 roleplaying games.
Planet M.U.L.E. is an online multiplayer version of the classic 1980s economy game M.U.L.E.
Planetary Hoppers is a Java based space strategy game. The game is multiplayer, TCP/IP-based classic style strategy for up to 70 players.
Rail World is a railroad train simulation game designed to bring the features of model railroading to the desktop using actual aerial or satellite photographs as the backdrop for maps.
a railway strategy/management game based upon the jfreerails source code base
Realms of Rivalry
Realms of Rivalry is an online graphical turn-based strategy/rpg game where you can play short tactical skirmishes with 2-4 players in small random-generated game worlds. The game is free and can be played either as an applet or downloadable client.
Role Playing Tools
Role Playing Tools for traditional role playing games. Current tools: DiceTool, a die rolling tool that supports complex dice expressions. MapTool, a simple to use internet enabled battle map replacement. TokenTool, for easily creating MapTool tokens.
SimpleFootie is a text-based football match engine simulation. It currently simulates score calculations and intends to provide a robust and extensible infrastructure.
SoapQuest1024 is a small written after reading "20 Open World Games" on Gamasutra and coming across "Adventure". It's a very simple tile-based game written in 1024 lines of Java. You can wander around the place, picking things up and using them on other things by walking into them. You can save the gameand go back to it later. It's fully data-driven, based on a simple CSV format, and has things like wandering treants and a day/night cycle with light calculations.
Space exploration is a work in progress RPG. In SE, you are tasked with charting the long-abandoned Serpens Sector, a region of space reached through a wormhole near Earth. Each star system you visit brings you an encounter with something: ancient ruins, other humans, and many dangers. The map and encounters are chosen at random for each game, which means that each game plays out differently.
Abu Al-Qazzaz is the main character in Spice Trade. He is a poor young man from Baghdad, who has inherited a house and some land. Abu decides to try his luck in the spice game. He has to prevent the European countries from gaining a trade monopoly. Will Abu be able to beat out the Europeans in the spice trade?
(commercial) Spiral Knights is a cooperative adventure to battle monsters and collect treasure in an ever-changing world.
Star Corp is a space economic strategy multiplayer play-by-email game. You run a corporation in the frontiers of space and operate starships, build colony facilities, harvest the resources of alien worlds, and manufacture goods to keep colonists happy. The software provides a hosted server with an administrative shell program for creating and editing a game with a rich environment of star systems, planets, asteroids, gas fields, colonies, and starships. Turns are played through emails, and players can submit any number of orders between game updates to be processed immediately but have a limited amount of time to use. A graphical client is included for viewing turn reports and preparing turn orders.
Sudokumat is a software that allows to easily create and solve sudokus at different levels of difficulty. It is possible to create your own Sudoku-"pdf-book" with as many sudokus as you want.
The Java Roguelike Engine Project
makes it easy for programmers to create truly outstanding Roguelike variants(Angband,Moria,etc). The JRLE consists of three components: the Core, the Variant Manager, and SimpleGame, a prototype JRLE Roguelike
(commercial) Tribal Trouble is a fast paced realtime strategy game where you will find yourself pitted against your computer or online players. Your job is to lead your somewhat clueless kinsmen (be it vikings or natives) to new discoveries and victories as the tribal clashes rage across a group of tropical islands.
a graphical roguelike fantasy adventure game. It features intricate randomly generated landscapes, towns and dungeons. It is written in Java with a highly extensible game engine
A multiplayer turn based space strategy game similar to Masters of Orion. Written in Java, we are striving for a platform independent game.
UrMud is a multiplayer adventure game set at the dawn of civilization.
Vendetta Manager is a Web-based tool for the browser game vendetta1923.
a graphic RPG MUD with Java. Fork of Wotlas.sourceforge.net. Maps with 2d Tiles; Editor to draw tile maps; Adding RPG features; Adding spells (such Time Stop etc); Jython support to add items and NPC(easy script)
(commercial) Wakfu is a turn-based tactical Massively Multiplayer Online Game (MMORPG) and a television cartoon, under development by Ankama Studio. Read more
Wejp's Brain Game
Wejp's Brain Game is a Mastermind game for your computer.
Yet Another Mud Client: a Java application which enable a socket connection to a remote MUD