A 2D Real Time Strategy space combat game.
Cooperative multiplayer graphical RPG and adventure game
0 A.D. is a free, open-source, cross-platform real-time strategy game.
A 2D multiplayer space shooter game
A free 3d game for PC that does not limit the player. Fight,Build,Gain
Cross-platform real-time strategy game (3D)
An unmodified version of the MMORPG Impressive Title by KovuLKD
Dynamic IP retrieval to report to Crossfire Metaserver
Crossfire RPG Game Weather Patch -- Now a branch on the official repo!
A fun realistic multiplayer free-and-open-source first-person-shooter!
Ur-Quan Masters High Definition
Free MMORPG
The classic multiplayer strategy game for use as a BBS door
C/C++ , PHP, PYTHON, 3D ENGINES, CHROME NATIVE CLIENT
A 2d action shooter game. Split screen for up to 4 players.
QuakeWorld client ported to OS/2
Olympia PBEM code
starrydb is game server engine
PvP, MUD RPG.