A multiplatform game engine for interactive fiction experiences
A Platformer game
Role Playing Game Engine
GPS data visualisation and exploration
Fly, bomb, shoot sh*t.
An extensible development framework for roleplay games.
Minigolf simulation in Java
A libgdx pinball game.
A simple java based comic book reader.
management of fencing tournaments
A GUI Level Editor for the Enigma Game
Java-API for developing different card games to play over the net.
A multiplayer Blackjack game which works over the internet
Anathema has moved to http://anathema.github.com
Modular Minecraft server plugin - commands, events, ...
Nurikabe, a great game.
DexPuxzle is a recreation of the famous 4X4 sliding puzzle
The SCND Genesis: Legends
LetsPlay is a bukkit plugin.