Desktop/Android/HTML5/iOS Java game development framework
Arianne is an engine to develop multiplayer online games like Stendhal
Java Settlers
Source code of the chapters of the book 3D Game Development with LWJGL
Build Cross-platform Applications
Multi-threaded game engine for Android
Java decentralized cross-platform network multiplayer game engine
MultiLingual Interactive Fiction
A multiplatform game engine for interactive fiction experiences
NinYawg Adventure
Pong esta basado en el juego clásico Ping Pong, desarrollada en Java.
Open Source Virtual World and MMOG Development Platform
C-Lesh is a game programming language for 2D games.
DiaT is a Textadventure
The classic intelligent role playing game