2D Open Source MMORPG
A roguelike, contains binaries and source packages for
Built to be ease of use, with no programming knowledge, Multi-platform
Amber Crux is a 2D graphical adventure game.
A 2D Adventure Game & Engine
Cross platform 2D game creation framework with Python bindings
Java Game, Simple 2d, for Practice and Examples
A 2D RPG written in Java and OpenGL
The SCND Genesis: Legends