OpenMW is an attempt to reimplement the popular role playing game Morrowind. It aims to be a fully playable implementation of the game that will run on Linux, Windows, and Mac OS X. No game data is distributed with the code; the user must already own a copy of Morrowind to use the software.
Choria is a game set in the land of chores. It is a 2D MMORPG in 800x600 with 3D accelerated graphics. Its features include doing chores, slaying monsters, killing goblins, getting great loot, earning money for college, and vacuuming virtual carpet. You can play with builds that include up to 30 different skills. PVP play is open and always available.