2D Open Source MMORPG
Heros of Jin Yong 3D Remastered
Provides a full suite of clients and servers for virtual worlds.
IRB is a game creation toolkit
A space game in the Hoshikaze 2250 universe, built on the NAEV engine
A 340 hour mod on a popular game
Tongue-in-cheek action RPG
Open-source first-person RPG with procedurally generated elements
A Dungeonhack fork with a few differences