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BTLib package is a J2ME Bluetooth library usefull when developing applications for Java, Bluetooth enabled mobile devices. The other packages are individual applications utilizing BTLib. You can download any of them and run it in your mobile device.
MazeRunner is mainly a puzzle game that is very extensible. It currently features maps, a scripting system, a music system, and it will soon have more.
jgapi stands for Java Gaming API. This project is meant to deliver a simple to use
API to program games in java. Currently we got 2D Frame, FullScreen and Applet support.
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The Areath project aims to create an easily reusable framework for putting together modernized (but still pleasingly retro) text-based games. Legends of Areath is a full game built using the framework.
Ovoron's Legacy is a fantasy Play-By-E-Mail game that runs on the PBEM Engine. Each player command an empire of fantasy creatures, interacts with other players, and must seek to conquer the world.
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GMUDsys is a system for creating graphical MUDs. The initial game created with it will have a sci-fi theme with a variety of environments and activities.
A Java port of "powermanga", which is an arcade 2D shoot-em-up game with 42 levels, 14 guardians and more than 200 sprites. It runs in 320x200 or 640x400 pixels. It runs on J2SE and some J2ME (MIDP 2.0/CLDP 1.1) enabled systems, SWT is also supported.
MotoPain is a networked multiplayer car-battle game, implemented in Java. The goal is simple: to blow each opponent from the face of the earth. You will also be able to design your own car to suit your style of play.
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
A Open Source 3D Immersive simulation environment, like the "second life", with some distribuited processing tools, to make the GRID power growup with every new node (client machine) attached.
HumanSudokuSolver is intended to solve Sudoku puzzles in a way human beings would do (non brute force). It currently solves most of the puzzles I tried and can output a step-by-step solution. Developers who want to contribute are welcome!
Truco! o algo... is a Java version of a game called Truco, wich is played in South America, mostly by groups of drunk friends that yell all along the game. It supports online playing and is quite fun! Give it a try!