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Freeciv-Forever.com is a Free and Open Source strategy game which can be played online in a browser against other players, or in single player mode against AI opponents. There is a playable live demo at www.freeciv-forever.com
The ISOCalc (Isometric Calculator Engine) is a class library for isometric plot games. The ISOCalc can be used as a calculator background for every game with different graphic front. (Special Thanks for OpenTTD Team)
Perfectday is a turn strategy game.
The player can collect units(these units have been collected when the players connect to server or comercing eith other player) that they are used in combat with other player
Starmapper is a maping utility that can read a map of "nodes", some files with "reports" and draw some pretty pictures. Originally for Stars! game, now it's Stars! and beyond! (you can make your own data model and plug it in)
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Magic:The Gathering over LAN or Internet, alone or against another player (need IP of your opponent). The program is the judge : you play with the true rules. Firemox can also emulate another TBS. Written in Java, works on Mac, Windows and Linux.
The central aim of OrkAPI is to be an interface to any kind of Ork-related data within Java. It also features a GUI that can assist in creating a move and inspecting the collected data. There are many points to extend OrkAPI with "Plugin" classes.
JEmpire is a Java port of VMS-Empire-1.7 with significant changes. JEmpire has a graphical interface and can be configured with different types of units.
A Java based virtual Risk-board for internet playing for 2 - 5 players. Contains a client/server UI applet (can also be started as a local application). Includes game saving. Requires a third party chat program for keeping contact with other players.
freecity will be a city simulation game with high flexibility and combining features from other similiar games. Currently in pre-alpha, but if you can program (or, even better, make graphics) please have a look in our subversion-readme.
Turn based single/multiplayer space strategy game. The objective is to colonize as many planets as you can. Check "General description" at Documentation, for more information
JGames is a sort of "game development framework" that creates a solid general structure for all Board Games, Strategy Games and all these game, 2D and 3D, that can be specified defining its particular Rules.
A multi-player minesweeper server, and the ability to play via telnet gives it a geeky edge. The game can be observed through a web interface by other spectators.Written in java.
The Master of Magic game remake written in Java 1.5. This will be able to act as a "skinable" game that can be adapted to other games with the same style of play with no coding.
Round based, noninteractive, ai-scriptable strategic game. Players can make ai-scripts for vehicles (tank, jeep...), and the system play the game with scripts. AI-script can write in JavaScript. The game has a pure functional graphics.
JChessBoard is a chess game written in Java that can be connected to another JChessBoard via a direct TCP/IP connection. No Internet Chess Server is required for playing. It also became a full featured PGN viewer and editor.
The goal of the project is to create a Java multi-user game server that can be easily extended and used for adding a multiplayer feature to games. User authentication, chat and interfaces for adding custom capabilities will be provided out of the box.
A Massively Multiplayer Online RolePlaying Game/WarGame hybrid, set in a multi-planar universe. It will feature 1st-person 3D graphics for the RPG part, and free-camera 3D graphics for the WarGame part. Parts of the game can be player-hosted.
Gumpire is designed to be used as an educational aid in a programming class. It will allow students to program game clients that can participate in a competition without needing to write a complicated interface to a server.
AntiChess is an anti chess game written in Java. The goal is to get checkmated or lose all your pieces except your king to your opponent. You have to take your opponents piece if you can. It supports 2 player and 4 player games on the same board.
Torn Realm is a strategic play-by-e-mail game. I have recently decided not to make this an Open Source project. It will still be released, but without the Source, you can get FRG's source if interested.
Colonize the universe, trade with your friends as well as your enemies, Begin with alliances to end with total domination. Only you can choose how to play this game. Possiblitly exist that the universe is ever expanding. Idea is that users are both cli
Four Java Cowboys are in the room; they have money, and can shoot and kill each other to get it. The strategies are the interesting thing. Some are more aggressive, some more selfish, some more cooperative. The interesting question is what strategies o
Java-tradewars Attack Terminal - A helper for the popular text game TradeWars 2002 written in Java. This program can be used as an applet on a board website or as a stand alone program.
Tacticon is a new turn based board game, that can be seen as the new kind of chess. The software is build with Java3D and it can be used to play tacticon with 2 players. Computer player is not build yet, because of the complexity of the game.