A free 3d game for PC that does not limit the player. Fight,Build,Gain
Combat Flight Simulator for LINUX. WW2. Network and VOIP. Open-source.
0 A.D. is a free, open-source, cross-platform real-time strategy game.
Lines a game written in Python two players through internet
Crossfire RPG Game Weather Patch -- Now a branch on the official repo!
Falling blocks puzzle game
Multi scripts for CS:GO that do just about everything
Olympia PBEM code
A Minecraft clone for 1.8.X multiplayer
Animates Blocks.
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Wizard of wor HTML5 remake.
Open Source Virtual World and MMOG Development Platform