General Purpose Engine for Graphic Adventures.
Game engine to build text adventures.
PvP, MUD RPG.
3D urban environment renderer : browser-app ; as well as a GTA clone
A Religous AD&D Clone
The IRC's Talking Robot
Isometric action RPG.
Azmyth Game Framework
A videogame about the wonders of operating system concepts.
The Map-Editor of the 2D role-playing game Arengu
Beyond dreams is a 3d solo/mmorpg game currently in developement.
Interstellar Adventure Ascedancy StarCon StarControl Orion
Open-source first-person RPG with procedurally generated elements
Small and minimalistic text-based hack 'n slash RPG